Quiz 5: Ratio and Proportion

Round each number as indicated. 9903 to the nearest hundred

A recipe can be used to make as much of a mixture as you need as long as the ingredients are kept proportional. Use the recipe for a homemade mixture of sugar water for hummingbird feeders to answer these problems. What is the ratio of sugar to water in the recipe What is the ratio of water to sugar

Write each ratio as a fraction in lowest terms. Change to the same units when necessary, using the table of measurement comparisons in the first section of this chapter. Use the information in the graph to answer Exercises 1-3. Ratio of orca whale's length to whale shark's length

Write each rate or ratio as a fraction in lowest terms. Change to the same units when necessary. 16 fish to 20 fish

Round each number as indicated. 617.0519 to the nearest tenth

A recipe can be used to make as much of a mixture as you need as long as the ingredients are kept proportional. Use the recipe for a homemade mixture of sugar water for hummingbird feeders to answer these problems. Complete each table.

Write each ratio as a fraction in lowest terms. Change to the same units when necessary, using the table of measurement comparisons in the first section of this chapter. Use the information in the graph to answer Exercises 1-3. Ratio of blue whale's length to great white shark's length

Write each rate or ratio as a fraction in lowest terms. Change to the same units when necessary. 300 miles on 15 gallons

Round each number as indicated. $99.81 to the nearest dollar

A recipe can be used to make as much of a mixture as you need as long as the ingredients are kept proportional. Use the recipe for a homemade mixture of sugar water for hummingbird feeders to answer these problems. How much water would you need if you used 3 cups of sugar 4 cups of sugar 1/3 cup of sugar

Write each ratio as a fraction in lowest terms. Change to the same units when necessary, using the table of measurement comparisons in the first section of this chapter. Use the information in the graph to answer Exercises 1-3. Which two animals' lengths give a ratio of There are several answers.

Write each rate or ratio as a fraction in lowest terms. Change to the same units when necessary. $15 for 75 minutes

Simplify. Round each number as indicated. $3.0555 to the nearest cent

A recipe can be used to make as much of a mixture as you need as long as the ingredients are kept proportional. Use the recipe for a homemade mixture of sugar water for hummingbird feeders to answer these problems. As you change the amounts of water and sugar, should you change the length of time that you boil the mixture Explain your answer.

50 to $1.25

Write each rate or ratio as a fraction in lowest terms. Change to the same units when necessary. 3 hours to 40 minutes

Simplify. 30 - 0.66

30 to $0.45

Write each rate or ratio as a fraction in lowest terms. Change to the same units when necessary. The little theater at our college has 320 seats. The auditorium has 1200 seats. Find the ratio of auditorium seats to theater seats.

Simplify. Write the answer using R for the remainder.

Write each rate or ratio as a fraction in lowest terms. Change to the same units when necessary. Use the information in the table about Quizno's honey mustard chicken sub sandwich to find the best buy. Source: Quizno's

Simplify. (1.9) (0.004)

Write each rate or ratio as a fraction in lowest terms. Change to the same units when necessary. Find the best buy on spaghetti sauce. You have a coupon for 75¢ off Brand X and a coupon for 50¢ off Brand Y. 26 ounces of Brand X for $3.89 16 ounces of Brand Y for $1.89 14 ounces of Brand Z for $1.29

Simplify. 3020 - 708

5 hours to 100 minutes

Write each rate or ratio as a fraction in lowest terms. Change to the same units when necessary. Suppose the ratio of your income last year to your income this year is 3 to 2. Explain what this means. Give an example of the dollars earned last year and this year that fits the 3 to 2 ratio.

Simplify. 0.401 + 62.98 + 5

to 2 ft

Determine whether each proportion is true or false. Show your work and then write true or false.

Simplify. 1.39 ÷ 0.025

1 ton to 1500 pounds

Determine whether each proportion is true or false. Show your work and then write true or false.

Simplify. 36 + 18 ÷ 6

8 hours to 3 days

Find the unknown number in each proportion. In Problems 11-13, round the answers to the nearest hundredth, if necessary.

Simplify. 8 ÷ 4 + (10 - 3 2 ) •4 2

Jake sold $350 worth of his kachina figures. Ramona sold $500 worth of her pottery. What is the ratio of Ramona's sales to Jake's sales

Find the unknown number in each proportion. In Problems 11-13, round the answers to the nearest hundredth, if necessary.

Simplify.

Wei's new car gets 35 miles per gallon. Her old car got 25 miles per gallon. Find the ratio of the new car's mileage to the old car's mileage.

Find the unknown number in each proportion. In Problems 11-13, round the answers to the nearest hundredth, if necessary.

Simplify. (16.2 - 5.85) - 2.35 (4)

This fall, 6000 students are taking math courses and 7200 students are taking English courses. Find the ratio of math students to English students.

Find the unknown number in each proportion. In Problems 11-13, round the answers to the nearest hundredth, if necessary.

Simplify. Write 0.0105 in words.

Write each rate as a fraction in lowest terms. $88 for 8 dozen

Set up and solve a proportion for each application problem. Pedro entered 18 orders into his computer in thirty minutes at his job. At that rate, how many orders could he enter in forty minutes

Simplify. Write sixty and seventy-one thousandths in numbers.

Write each rate as a fraction in lowest terms. 96 children in 40 families

Set up and solve a proportion for each application problem. Just 0.8 ounce of wildflower seeds is enough for 50 square feet of ground. What weight of seeds is needed for a garden with 225 square feet ( Source: White Swan Ltd.)

In a survey of 1000 adults, 550 drank coffee daily, 250 drank coffee occasionally, and 200 never drank coffee. Use this information for Exercises 17-18. Write each ratio as a fraction in lowest terms. What is the ratio of those who do not drink coffee to the total number of people in the survey

Write each rate as a fraction in lowest terms. When entering data into his computer, Patrick can type four pages in 20 minutes. Give his rate in pages per minute and minutes per page.

Set up and solve a proportion for each application problem. About 2 out of every 15 people are left-handed. How many of the 650 students in our school would you expect to be left-handed Round to the nearest whole number.

In a survey of 1000 adults, 550 drank coffee daily, 250 drank coffee occasionally, and 200 never drank coffee. Use this information for Exercises 17-18. Write each ratio as a fraction in lowest terms. Find the ratio of all the adults who drink coffee to those who never drink it.

Write each rate as a fraction in lowest terms. Elena made $60 in three hours. Give her earnings in dollars per hour and hours per dollar.

Set up and solve a proportion for each application problem. A student set up the proportion for Problem 17 this way and arrived at an answer of 4875. Because the cross products are equal, the student said the answer is correct. Is the student right Explain why or why not. About 2 out of every 15 people are left-handed. How many of the 650 students in our school would you expect to be left-handed Round to the nearest whole number.

Nest boxes for birds are made with different sizes of entry holes. Then, only certain types of birds can use the nest box and it helps prevent entry by predators. Use the information in the table to answer Exercises 19-20. The diameter is the distance across the opening at its widest point. List the nest box openings in order from smallest to largest.

Find the best buy. Minced onion 8 ounces for $4.98 3 ounces for $2.49 2 ounces for $1.89

Set up and solve a proportion for each application problem. A medication is given at the rate of 8.2 grams for every 50 pounds of body weight. How much should be given to a 145-pound person Round to the nearest tenth of a gram.

Nest boxes for birds are made with different sizes of entry holes. Then, only certain types of birds can use the nest box and it helps prevent entry by predators. Use the information in the table to answer Exercises 19-20. The diameter is the distance across the opening at its widest point. What is the difference in diameter between the openings for an eastern bluebird and a western bluebird Write your answer as a fraction and as a decimal.

Find the best buy. Dog food; you have a coupon for $1 off on 8 pounds or more. 35.2 pounds for $36.96 17.6 pounds for $18.69 3.5 pounds for $4.25

Set up and solve a proportion for each application problem. On a scale model, 1 in. represents 8 ft. If a building in the model is 7.5 in. tall, what is the actual height of the building in feet

Find the unknown number in each proportion. Round your answers to the nearest hundredth, when necessary.

Use either the method of writing in lowest terms or the method of finding cross products to decide whether each proportion is true or false. Show your work and then write true or false.

Find the unknown number in each proportion. Round your answers to the nearest hundredth, when necessary.

Use either the method of writing in lowest terms or the method of finding cross products to decide whether each proportion is true or false. Show your work and then write true or false.

Find the unknown number in each proportion. Round your answers to the nearest hundredth, when necessary.

Use either the method of writing in lowest terms or the method of finding cross products to decide whether each proportion is true or false. Show your work and then write true or false.

Solve each application problem. The college honor society has a goal of collecting 1500 pounds of food to fill Thanksgiving baskets. So far it has collected 5/6 of the goal. How many more pounds are needed

Use either the method of writing in lowest terms or the method of finding cross products to decide whether each proportion is true or false. Show your work and then write true or false.

Solve each application problem. Tara has a photo that is 10 centimeters wide by 15 centimeters long. If the photo is enlarged to a length of 40 centimeters, find the new width, to the nearest tenth.

Use either the method of writing in lowest terms or the method of finding cross products to decide whether each proportion is true or false. Show your work and then write true or false.

Solve each application problem. The distance around Dunning Pond is 1 1/10 miles. Norma ran around the pond four times in the morning and 2 ½ times in the afternoon. How far did she run in all

Use either the method of writing in lowest terms or the method of finding cross products to decide whether each proportion is true or false. Show your work and then write true or false.

Solve each application problem. Find the best buy on instant mashed potatoes. You have a coupon for 50¢ off either the 34-serving or 65-serving box. A box that makes 20 servings for $2.15 A box that makes 34 servings for $3.35 A box that makes 65 servings for $10.41

Find the unknown number in each proportion. Round answers to the nearest hundredth, if necessary.

Solve each application problem. In a survey, 5 out of 8 apartment residents said they are sometimes bothered by noise from their neighbors. How many of the 224 residents at Harris Towers would you expect to be bothered by noise

Find the unknown number in each proportion. Round answers to the nearest hundredth, if necessary.

Solve each application problem. The directions on a bottle of plant food call for ½ teaspoon in two quarts of water. How much plant food is needed for five quarts ( Source: Schultz Company.)

Find the unknown number in each proportion. Round answers to the nearest hundredth, if necessary.

Use the information in the table on international long-distance calling card rates to answer Exercises 30-34. Round answers to the nearest whole minute when necessary. List the per-minute rates from least to greatest.

Find the unknown number in each proportion. Round answers to the nearest hundredth, if necessary.

Use the information in the table on international long-distance calling card rates to answer Exercises 30-34. Round answers to the nearest whole minute when necessary. If you buy a $20 calling card, how long a call could you make to a cell phone in Japan

Find the unknown number in each proportion. Round answers to the nearest hundredth, if necessary.

Use the information in the table on international long-distance calling card rates to answer Exercises 30-34. Round answers to the nearest whole minute when necessary. How many $20 cards would you have to buy to make six hours' worth of calls to a cell phone in India

Find the unknown number in each proportion. Round answers to the nearest hundredth, if necessary.

Use the information in the table on international long-distance calling card rates to answer Exercises 30-34. Round answers to the nearest whole minute when necessary. What is the ratio of minutes you can call Mexico for $20 to minutes you can call Canada for $20

Find the unknown number in each proportion. Round answers to the nearest hundredth, if necessary.

Use the information in the table on international long-distance calling card rates to answer Exercises 30-34. Round answers to the nearest whole minute when necessary. You have already made a 95-minute call to the Philippines. With the amount left on one $20 phone card, how long a call could you make to Afghanistan

Find the unknown number in each proportion. Round answers to the nearest hundredth, if necessary.

Find the unknown number in each proportion. Round answers to the nearest hundredth, if necessary.

Set up and solve a proportion for each application problem. The ratio of cats to dogs at the animal shelter is 3 to 5. If there are 45 dogs, how many cats are there

Set up and solve a proportion for each application problem. Danielle had 8 hits in 28 times at bat during last week's games. If she continues to hit at the same rate, how many hits will she gets in 161 times at bat

Set up and solve a proportion for each application problem. If 3.5 pounds of ground beef cost $9.77, what will 5.6 pounds cost Round to the nearest cent.

Set up and solve a proportion for each application problem. About 4 out of 10 students are expected to vote in campus elections. There are 8247 students. How many are expected to vote Round to the nearest whole number.

Set up and solve a proportion for each application problem. The scale on Brian's model railroad is 1 in. to 16 ft. One of the scale model boxcars is 4.25 in. long. What is the length of a real boxcar in feet

Set up and solve a proportion for each application problem. Marvette makes necklaces to sell at a local gift shop. She made 2 dozen necklaces in 16 hours. How long will it take her to make 40 necklaces

Set up and solve a proportion for each application problem. A 180-pound person burns 284 calories playing basketball for 25 minutes. At this rate, how many calories would the person burn in 45 minutes, to the nearest whole number ( Source: Wellness Encyclopedia. )

Find the unknown number in each proportion. Round answers to the nearest hundredth, if necessary. Set up and solve a proportion for each application problem. In the hospital pharmacy, Michiko sees that a medicine is to be given at the rate of 3.5 milligrams for every 50 pounds of body weight. How much medicine should be given to a patient who weighs 210 pounds

Find the unknown number in each proportion. Round answers to the nearest hundredth, if necessary.

Find the unknown number in each proportion. Round answers to the nearest hundredth, if necessary.

Find the unknown number in each proportion. Round answers to the nearest hundredth, if necessary.

Find the unknown number in each proportion. Round answers to the nearest hundredth, if necessary.

Find the unknown number in each proportion. Round answers to the nearest hundredth, if necessary.

Find the unknown number in each proportion. Round answers to the nearest hundredth, if necessary.

Find cross products to decide whether each proportion is true or false. Show the cross products and then circle true or false.

Find cross products to decide whether each proportion is true or false. Show the cross products and then circle true or false.

Find cross products to decide whether each proportion is true or false. Show the cross products and then circle true or false.

Write each ratio as a fraction in lowest terms. Change to the same units when necessary. 4 dollars to 10 quarters

Write each ratio as a fraction in lowest terms. Change to the same units when necessary.

Write each ratio as a fraction in lowest terms. Change to the same units when necessary. 10 yd to 8 ft

Write each ratio as a fraction in lowest terms. Change to the same units when necessary. $3.60 to $0.90

Write each ratio as a fraction in lowest terms. Change to the same units when necessary. 12 eggs to 15 eggs

Write each ratio as a fraction in lowest terms. Change to the same units when necessary. 37 meters to 7 meters

Write each ratio as a fraction in lowest terms. Change to the same units when necessary. 3 pints to 4 quarts

Write each ratio as a fraction in lowest terms. Change to the same units when necessary. 15 minutes to 3 hours

Write each ratio as a fraction in lowest terms. Change to the same units when necessary.

Write each ratio as a fraction in lowest terms. Change to the same units when necessary. Nearly 7 out of 8 fans buy something to drink at rock concerts. How many of the 28,500 fans at today's concert would be expected to buy a beverage Round to the nearest hundred fans.

Write each ratio as a fraction in lowest terms. Change to the same units when necessary. Emily spent $150 on car repairs and $400 on car insurance. What is the ratio of the amount spent on insurance to the amount spent on repairs

Write each ratio as a fraction in lowest terms. Change to the same units when necessary. Antonio is choosing among three packages of plastic wrap. Is the best buy 25 ft for $0.78; 75 ft for $1.99; or 100 ft for $2.59 He has a coupon for 50¢ off either of the larger two packages.

Write each ratio as a fraction in lowest terms. Change to the same units when necessary. On this scale drawing of a backyard patio, 0.5 in. represents 6 ft. If the patio measures 1.75 in. Long and 1.25 in. wide on the drawing, what will be the actual length and width of the patio when it is built

Write each ratio as a fraction in lowest terms. Change to the same units when necessary. A lawn mower uses 0.8 gallon of gas every 3 hours. How long can the mower run on 2 gallons of gas

Write each ratio as a fraction in lowest terms. Change to the same units when necessary. An antibiotic is given at the rate of 1 teaspoons for every 24 pounds of body weight. How much should be given to an infant who weighs 8 pounds

Write each ratio as a fraction in lowest terms. Change to the same units when necessary. Charles made 251 points during 169 minutes of playing time last year. At that same rate, how many points would you expect him to make if he plays 14 minutes in tonight's game Round to the nearest whole number.

Write each ratio as a fraction in lowest terms. Change to the same units when necessary. Refer to Exercise. Explain each step you took in solving the problem. Be sure to tell how you decided which way to set up the proportion and how you checked your answer. Exercise. An antibiotic is given at the rate of 1 teaspoons for every 24 pounds of body weight. How much should be given to an infant who weighs 8 pounds

Write each ratio as a fraction in lowest terms. Change to the same units when necessary. A vitamin supplement for cats is given at the rate of 1000 milligrams for a 5-pound cat. ( Source: St. Jon Pet Care Products.) How much should be given to a 7-pound cat How much should be given to an 8-ounce kitten

What is a ratio Write an explanation. Then make up an example of a ratio that is different from the ones in the textbook.

Both quantities in a ratio have the same units. That means you can do what to the units

To rewrite the ratio in lowest terms, divide both the numerator and the denominator by _______ The ratio in lowest terms is_________.

To rewrite the ratio in lowest terms, divide both the numerator and the denominator by_______________. The ratio in lowest terms is___________.

Write each ratio as a fraction in lowest terms. See Examples 1 and 2. 8 days to 9 days

Write each ratio as a fraction in lowest terms. See Examples 1 and 2. $11 to $15

Write each ratio as a fraction in lowest terms. See Examples 1 and 2. $100 to $50

Write each ratio as a fraction in lowest terms. See Examples 1 and 2. 35¢ to 7¢

Write each ratio as a fraction in lowest terms. See Examples 1 and 2. 30 minutes to 90 minutes

Write each ratio as a fraction in lowest terms. See Examples 1 and 2. 9 pounds to 36 pounds

Write each ratio as a fraction in lowest terms. See Examples 1 and 2. 80 miles to 50 miles

Write each ratio as a fraction in lowest terms. See Examples 1 and 2. 300 people to 450 people

Write each ratio as a fraction in lowest terms. See Examples 1 and 2. 6 hours to 16 hours

Write each ratio as a fraction in lowest terms. See Examples 1 and 2. 45 books to 35 books

Write each ratio as a ratio of whole numbers in lowest terms. See Examples 3 and 4. $4.50 to $3.50

Write each ratio as a ratio of whole numbers in lowest terms. See Examples 3 and 4. +0.08 to +0.06

Write each ratio as a ratio of whole numbers in lowest terms. See Examples 3 and 4.

Write each ratio as a ratio of whole numbers in lowest terms. See Examples 3 and 4.

Write each ratio as a ratio of whole numbers in lowest terms. See Examples 3 and 4.

Write each ratio as a ratio of whole numbers in lowest terms. See Examples 3 and 4.

When writing the ratio of 20 ounces to 3 pounds as a fraction in lowest terms, would it be easier to use ounces or pounds __________ Explain why.

When writing the ratio of 4 days to 36 hours as a fraction in lowest terms,would it be easier to use days or hours _________ Explain why.

Write each ratio as a fraction in lowest terms. For help, use the table of measurement relationships in this section. See Example 5. Write each ratio as a fraction in lowest terms. For help, use the table of measurement relationships in this section. See Example 5. 4 ft to 30 in. Hint: First, convert 4 ft to inches.

Write each ratio as a fraction in lowest terms. For help, use the table of measurement relationships in this section. See Example 5. 8 ft to 4 yd Hint: First, convert 4 yd to feet.

Write each ratio as a fraction in lowest terms. For help, use the table of measurement relationships in this section. See Example 5. 5 minutes to 1 hour

Write each ratio as a fraction in lowest terms. For help, use the table of measurement relationships in this section. See Example 5. 8 quarts to 5 pints

Write each ratio as a fraction in lowest terms. For help, use the table of measurement relationships in this section. See Example 5. 15 hours to 2 days

Write each ratio as a fraction in lowest terms. For help, use the table of measurement relationships in this section. See Example 5. 3 pounds to 6 ounces

Write each ratio as a fraction in lowest terms. For help, use the table of measurement relationships in this section. See Example 5. 5 gallons to 5 quarts

Write each ratio as a fraction in lowest terms. For help, use the table of measurement relationships in this section. See Example 5. 3 cups to 3 pints

The table shows the number of greeting cards sold in the United States for various occasions. Use the information to answer Exercises 31-36. Write each ratio as a fraction in lowest terms. Find the ratio of Thanksgiving cards to graduation cards.

The table shows the number of greeting cards sold in the United States for various occasions. Use the information to answer Exercises 31-36. Write each ratio as a fraction in lowest terms. Find the ratio of Halloween cards to Mother's Day cards.

The table shows the number of greeting cards sold in the United States for various occasions. Use the information to answer Exercises 31-36. Write each ratio as a fraction in lowest terms. Find the ratio of Valentine's Day cards to Thanksgiving cards.

The table shows the number of greeting cards sold in the United States for various occasions. Use the information to answer Exercises 31-36. Write each ratio as a fraction in lowest terms. Find the ratio of Mother's Day cards to Father's Day cards.

The table shows the number of greeting cards sold in the United States for various occasions. Use the information to answer Exercises 31-36. Write each ratio as a fraction in lowest terms. Explain how you might use the information in the table if you owned a shop selling gifts and greeting cards.

The table shows the number of greeting cards sold in the United States for various occasions. Use the information to answer Exercises 31-36. Write each ratio as a fraction in lowest terms. Why is the ratio of Valentine's Day cards to graduation cards Give two possible reasons

The bar graph shows worldwide sales of the most popular songs of all time. Use the graph to complete Exercises 37-40. Write each ratio as a fraction in lowest terms. Write a ratio that compares the top-selling song to the second best seller, and a ratio that compares the top-selling song to the third best seller.

The bar graph shows worldwide sales of the most popular songs of all time. Use the graph to complete Exercises 37-40. Write each ratio as a fraction in lowest terms. Write two ratios that compare sales of Elvis Presley's song with sales of the songs just ahead and just behind it in the graph.

The bar graph shows worldwide sales of the most popular songs of all time. Use the graph to complete Exercises 37-40. Write each ratio as a fraction in lowest terms. Sales of which two songs give a ratio of There may be more than one correct answer.

The bar graph shows worldwide sales of the most popular songs of all time. Use the graph to complete Exercises 37-40. Write each ratio as a fraction in lowest terms. Sales of which two songs give a ratio of There may be more than one correct answer.

For each figure, find the ratio of the length of the longest side to the length of the shortest side. Write each ratio as a fraction in lowest terms.

For each figure, find the ratio of the length of the longest side to the length of the shortest side. Write each ratio as a fraction in lowest terms.

For each figure, find the ratio of the length of the longest side to the length of the shortest side. Write each ratio as a fraction in lowest terms.

For each figure, find the ratio of the length of the longest side to the length of the shortest side. Write each ratio as a fraction in lowest terms.

For each figure, find the ratio of the length of the longest side to the length of the shortest side. Write each ratio as a fraction in lowest terms.

For each figure, find the ratio of the length of the longest side to the length of the shortest side. Write each ratio as a fraction in lowest terms.

Write each ratio as a fraction in lowest terms. The price of automobile engine oil has gone from $10 to +12.50 for the 5 quarts needed for an oil change. Find the ratio of the increase in price to the original price.

Write each ratio as a fraction in lowest terms. The price that a pharmacy pays for an antibiotic decreased from +8.80 to +5.60 for 10 tablets. Find the ratio of the decrease in price to the original price.

Write each ratio as a fraction in lowest terms. The first time a movie was made in Minnesota, the cast and crew spent days filming winter scenes. The next year, another movie was filmed in weeks. Find the ratio of the first movie's filming time to the second movie's time. Compare in weeks.

Write each ratio as a fraction in lowest terms. The percheron, a large draft horse, measures about ft at the shoulder. The prehistoric ancestor of the horse measured only in. at the shoulder. Find the ratio of the percheron's height to its prehistoric ancestor's height. Compare in inches. ( Source: Eyewitness Books: Horse.)

Use your knowledge of ratios to work Exercises 51 54 in order. In this painting, what is the ratio of the length of the longest side to the length of the shortest side What other measurements could the painting have and still maintain the same ratio

Use your knowledge of ratios to work Exercises 51 54 in order. The ratio of my son's age to my daughter's age is 4 to 5. One possibility is that my son is 4 years old and my daughter is 5 years old. Find six other possibilities that fit the 4 to 5 ratio.

Use your knowledge of ratios to work Exercises 51 54 in order. Amelia said that the ratio of her age to her mother's age is 5 to 3. Is this possible Explain your answer.

Use your knowledge of ratios to work Exercises 51 54 in order. Would you prefer that the ratio of your income to your friend's income be 1 to 3 or 3 to 1 Explain your answers.

Write each rate as a fraction in lowest terms. See Example 1. 10 cups for 6 people

Write each rate as a fraction in lowest terms. See Example 1. $12 for 30 pens

Write each rate as a fraction in lowest terms. See Example 1. 15 feet in 35 seconds

Write each rate as a fraction in lowest terms. See Example 1. 100 miles in 30 hours

Write each rate as a fraction in lowest terms. See Example 1. 72 miles on 4 gallons

Write each rate as a fraction in lowest terms. See Example 1. 132 miles on 8 gallons

Find each unit rate. See Example 2. To find a unit rate, do you add, subtract, multiply, or divide ______________ Show the correct set-up to find this unit rate: $5.85 for 3 boxes.

Find each unit rate. See Example 2. Circle the correct answer. When finding this unit rate, 15 hospital rooms for 3 nurses, the final answer will be: 5 to 1 5 rooms for 1 nurse 5 nurses for 1 room

Find each unit rate. See Example 2. $60 in 5 hours

Find each unit rate. See Example 2. $2500 in 20 days

Find each unit rate. See Example 2. 44 bushels from 8 trees

Earl kept the following record of the gas he bought for his car. For each entry, find the number of miles he traveled and the unit rate. Round your answers to the nearest tenth.

Earl kept the following record of the gas he bought for his car. For each entry, find the number of miles he traveled and the unit rate. Round your answers to the nearest tenth.

Earl kept the following record of the gas he bought for his car. For each entry, find the number of miles he traveled and the unit rate. Round your answers to the nearest tenth.

Earl kept the following record of the gas he bought for his car. For each entry, find the number of miles he traveled and the unit rate. Round your answers to the nearest tenth.

Find the best buy (based on the cost per unit) for each item. Round to the nearest thousandth, if necessary. See Example 3. (Source: Cub Foods, Target, Rainbow Foods.) Black pepper

Find the best buy (based on the cost per unit) for each item. Round to the nearest thousandth, if necessary. See Example 3. (Source: Cub Foods, Target, Rainbow Foods.) Shampoo

Find the best buy (based on the cost per unit) for each item. Round to the nearest thousandth, if necessary. See Example 3. (Source: Cub Foods, Target, Rainbow Foods.) Cereal 12 ounces for +2.49 14 ounces for $2.89 18 ounces for $3.96

Find the best buy (based on the cost per unit) for each item. Round to the nearest thousandth, if necessary. See Example 3. (Source: Cub Foods, Target, Rainbow Foods.) Soup (same size cans) 2 cans for +2.18 3 cans for +3.57 5 cans for +5.29

Find the best buy (based on the cost per unit) for each item. Round to the nearest thousandth, if necessary. See Example 3. (Source: Cub Foods, Target, Rainbow Foods.) Chunky peanut butter 12 ounces for +1.29 18 ounces for +1.79 28 ounces for +3.39 40 ounces for +4.39

Find the best buy (based on the cost per unit) for each item. Round to the nearest thousandth, if necessary. See Example 3. (Source: Cub Foods, Target, Rainbow Foods.) Baked beans 8 ounces for +0.59 16 ounces for +0.99 21 ounces for +1.29 28 ounces for +1.89

Find the best buy (based on the cost per unit) for each item. Round to the nearest thousandth, if necessary. See Example 3. (Source: Cub Foods, Target, Rainbow Foods.) Suppose you are choosing between two brands of chicken noodle soup. Brand A is +0.88 per can and Brand B is +0.98 per can. The cans are the same size but Brand B has more chunks of chicken in it. Which soup is the better buy Explain your choice.

Find the best buy (based on the cost per unit) for each item. Round to the nearest thousandth, if necessary. See Example 3. (Source: Cub Foods, Target, Rainbow Foods.) A small bag of potatoes costs +0.19 per pound. A large bag costs +0.15 per pound. But there are only two people in your family, so half the large bag would probably rot before you used it up. Which bag is the better buy Explain.

Solve each application problem. See Examples 2 4. Makesha lost 10.5 pounds in six weeks. What was her rate of loss in pounds per week

Solve each application problem. See Examples 2 4. Enrique's taco recipe uses three pounds of meat to feed 10 people. Give the rate in pounds per person.

Solve each application problem. See Examples 2 4. Russ works 7 hours to earn $85.82. What is his pay rate per hour

Solve each application problem. See Examples 2 4. Find the cost of 1 gallon of Hawaiian Punch beverage if 18 gallons for a graduation party cost $55.62.

The table lists information about three long-distance calling cards. The connection fee is charged each time you make a call, no matter how long the call lasts. Use the table to answer Exercises 29 32. Round answers to the nearest thousandth when necessary. (a) Find the actual total cost, including the connection charge, for a five-minute call using each card. (b) Find the cost per minute for this call using each card and select the best buy.

The table lists information about three long-distance calling cards. The connection fee is charged each time you make a call, no matter how long the call lasts. Use the table to answer Exercises 29 32. Round answers to the nearest thousandth when necessary. (a) Find the actual total cost, including the connection charge, for a 90-minute call using each card. (b) Find the cost per minute for this call using each card and select the best buy.

The table lists information about three long-distance calling cards. The connection fee is charged each time you make a call, no matter how long the call lasts. Use the table to answer Exercises 29 32. Round answers to the nearest thousandth when necessary. Find the actual total cost and the per minute cost for a 30-minute call using each card. What do you see when you compare the unit rates for this call

The table lists information about three long-distance calling cards. The connection fee is charged each time you make a call, no matter how long the call lasts. Use the table to answer Exercises 29 32. Round answers to the nearest thousandth when necessary. All the cards round calls up to the next full minute. (a) Suppose you call the wrong number. How much would you pay for this 40- second call on each card (b) How much would you save on this call by using the USA Card instead of Most Minutes

If you believe the claims that some batteries last longer, which is the better buy

Which is the better buy, assuming these laundry detergents both clean equally well

Three brands of cornflakes are available. Brand G is priced at $2.39 for 10 ounces. Brand K is $3.99 for 20.3 ounces and Brand P is $3.39 for 16.5 ounces. You have a coupon for 50¢ off Brand P and a coupon for 60¢ off Brand G. Which cereal is the best buy based on cost per unit

Two brands of facial tissue are available. Brand K is priced at $5 for three boxes of 175 tissues each. Brand S is priced at $1.29 per box of 125 tissues. You have a coupon for 20¢ off one box of Brand S and a coupon for 45¢ off one box of Brand K. How can you get the best buy on one box of tissue

On the first page of this chapter, we said that unit rates can help you get the best deal on cell phone service. Use the information in the table to work Exercises 37 41 in order. Round all money answers to the nearest cent. Find the cost per minute for each plan. Round your answers to the nearest cent and write them in the table above. Which plan is the better buy based on cost per minute

On the first page of this chapter, we said that unit rates can help you get the best deal on cell phone service. Use the information in the table to work Exercises 37 41 in order. Round all money answers to the nearest cent. In a 30-day month, what is the average number of minutes you can use your phone each day on: (a) Plan A (b) Plan B

On the first page of this chapter, we said that unit rates can help you get the best deal on cell phone service. Use the information in the table to work Exercises 37 41 in order. Round all money answers to the nearest cent. Suppose you are on Plan A. Last month you used 2 more minutes each day than the average number of minutes you calculated in Exercise. Find the new cost per minute for last month. (Assume 30 days in last month.) Exercise. In a 30-day month, what is the average number of minutes you can use your phone each day on: (a) Plan A (b) Plan B

On the first page of this chapter, we said that unit rates can help you get the best deal on cell phone service. Use the information in the table to work Exercises 37 41 in order. Round all money answers to the nearest cent. Suppose you are on Plan B. Last month you used 3 more minutes each day than the average number of minutes you calculated in Exercise. Find the new cost per minute for last month. (Assume 30 days in last month.) Exercise. In a 30-day month, what is the average number of minutes you can use your phone each day on: (a) Plan A (b) Plan B

On the first page of this chapter, we said that unit rates can help you get the best deal on cell phone service. Use the information in the table to work Exercises 37 41 in order. Round all money answers to the nearest cent. The company also offers Plan C, with unlimited minutes for $69.95 per month. If you had Plan C, find the cost per minute for the situations described in Exercises 1 and 2. Exercise 1 Suppose you are on Plan A. Last month you used 2 more minutes each day than the average number of minutes you calculated in Exercise 3. Find the new cost per minute for last month. (Assume 30 days in last month.) Exercise 2 Suppose you are on Plan B. Last month you used 3 more minutes each day than the average number of minutes you calculated in Exercise 3. Find the new cost per minute for last month. (Assume 30 days in last month.) Exercise 3 In a 30-day month, what is the average number of minutes you can use your phone each day on: (a) Plan A (b) Plan B

Write each proportion. See Example 1. $9 is to 12 cans as $18 is to 24 cans.

Write each proportion. See Example 1. 28 people is to 7 cars as 16 people is to 4 cars.

Write each proportion. See Example 1. 200 adults is to 450 children as 4 adults is to 9 children.

Write each proportion. See Example 1. 150 trees is to 1 acre as 1500 trees is to 10 acres.

Write each proportion. See Example 1. 120 ft is to 150 ft as 8 ft is to 10 ft.

Write each proportion. See Example 1. $6 is to $9 as $10 is to $15.

Determine whether each proportion is true or false by writing the ratios in lowest terms. Show the simplified ratios and then write true or false. See Example 2.

Determine whether each proportion is true or false by writing the ratios in lowest terms. Show the simplified ratios and then write true or false. See Example 2.

Determine whether each proportion is true or false by writing the ratios in lowest terms. Show the simplified ratios and then write true or false. See Example 2.

Determine whether each proportion is true or false by writing the ratios in lowest terms. Show the simplified ratios and then write true or false. See Example 2.

Determine whether each proportion is true or false by writing the ratios in lowest terms. Show the simplified ratios and then write true or false. See Example 2.

Determine whether each proportion is true or false by writing the ratios in lowest terms. Show the simplified ratios and then write true or false. See Example 2.

Determine whether each proportion is true or false by writing the ratios in lowest terms. Show the simplified ratios and then write true or false. See Example 2.

Determine whether each proportion is true or false by writing the ratios in lowest terms. Show the simplified ratios and then write true or false. See Example 2.

Determine whether each proportion is true or false by writing the ratios in lowest terms. Show the simplified ratios and then write true or false. See Example 2.

Determine whether each proportion is true or false by writing the ratios in lowest terms. Show the simplified ratios and then write true or false. See Example 2.

Determine whether each proportion is true or false by writing the ratios in lowest terms. Show the simplified ratios and then write true or false. See Example 2.

Determine whether each proportion is true or false by writing the ratios in lowest terms. Show the simplified ratios and then write true or false. See Example 2.

What is a proportion Explain. Then draw arrows on the proportion below and show what numbers to multiply to find the cross products.

Explain how to tell if a proportion is true or false after you have found the cross products.

Use cross products to determine whether each proportion is true or false. Show the cross products and then circle true or false. See Example 3.

Use cross products to determine whether each proportion is true or false. Show the cross products and then circle true or false. See Example 3.

Use cross products to determine whether each proportion is true or false. Show the cross products and then circle true or false. See Example 3.

Use cross products to determine whether each proportion is true or false. Show the cross products and then circle true or false. See Example 3.

Use cross products to determine whether each proportion is true or false. Show the cross products and then circle true or false. See Example 3.

Use cross products to determine whether each proportion is true or false. Show the cross products and then circle true or false. See Example 3.

Use cross products to determine whether each proportion is true or false. Show the cross products and then circle true or false. See Example 3.

Use cross products to determine whether each proportion is true or false. Show the cross products and then circle true or false. See Example 3.

Use cross products to determine whether each proportion is true or false. Show the cross products and then circle true or false. See Example 3.

Use cross products to determine whether each proportion is true or false. Show the cross products and then circle true or false. See Example 3.

Use cross products to determine whether each proportion is true or false. Show the cross products and then circle true or false. See Example 3.

Use cross products to determine whether each proportion is true or false. Show the cross products and then circle true or false. See Example 3.

Use cross products to determine whether each proportion is true or false. Show the cross products and then circle true or false. See Example 3.

Use cross products to determine whether each proportion is true or false. Show the cross products and then circle true or false. See Example 3.

Use cross products to determine whether each proportion is true or false. Show the cross products and then circle true or false. See Example 3.

Use cross products to determine whether each proportion is true or false. Show the cross products and then circle true or false. See Example 3.

Use cross products to determine whether each proportion is true or false. Show the cross products and then circle true or false. See Example 3.

Use cross products to determine whether each proportion is true or false. Show the cross products and then circle true or false. See Example 3.

Suppose Joe Mauer of the Minnesota Twins had 68 hits in 200 times at bat and Joey Votto of the Cincinnati Reds was at bat 450 times and got 153 hits. Paula is trying to convince Jenny that the two men hit equally well. Show how you could use a proportion and cross products to see whether Paula is correct.

Jay worked 3.5 hours and packed 91 cartons. Craig packed 126 cartons in 5.25 hours. To see whether the men worked equally fast, Barry set up this proportion: Explain what is wrong with Barry's proportion and write a correct one. Is the correct proportion true or false

In what is the first step when finding the unknown number Show how to do this step.

In , the cross products are 7 • x and 50. What is the next step when finding the unknown number Show how to do this step.

Find the unknown number in each proportion. Round your answers to hundredths, if necessary. Check your answers by finding the cross products. See Examples 1 and 2.

Find the unknown number in each proportion. Round your answers to hundredths, if necessary. Check your answers by finding the cross products. See Examples 1 and 2.

Find the unknown number in each proportion. Round your answers to hundredths, if necessary. Check your answers by finding the cross products. See Examples 1 and 2.

Find the unknown number in each proportion. Round your answers to hundredths, if necessary. Check your answers by finding the cross products. See Examples 1 and 2.

Find the unknown number in each proportion. Round your answers to hundredths, if necessary. Check your answers by finding the cross products. See Examples 1 and 2.

Find the unknown number in each proportion. Round your answers to hundredths, if necessary. Check your answers by finding the cross products. See Examples 1 and 2.

Find the unknown number in each proportion. Round your answers to hundredths, if necessary. Check your answers by finding the cross products. See Examples 1 and 2.

Find the unknown number in each proportion. Round your answers to hundredths, if necessary. Check your answers by finding the cross products. See Examples 1 and 2.

Find the unknown number in each proportion. Round your answers to hundredths, if necessary. Check your answers by finding the cross products. See Examples 1 and 2.

Find the unknown number in each proportion. Round your answers to hundredths, if necessary. Check your answers by finding the cross products. See Examples 1 and 2.

Find the unknown number in each proportion. Round your answers to hundredths, if necessary. Check your answers by finding the cross products. See Examples 1 and 2.

Find the unknown number in each proportion. Round your answers to hundredths, if necessary. Check your answers by finding the cross products. See Examples 1 and 2.

Find the unknown number in each proportion. Round your answers to hundredths, if necessary. Check your answers by finding the cross products. See Examples 1 and 2.

Find the unknown number in each proportion. Round your answers to hundredths, if necessary. Check your answers by finding the cross products. See Examples 1 and 2.

Find the unknown number in each proportion. Round your answers to hundredths, if necessary. Check your answers by finding the cross products. See Examples 1 and 2.

Find the unknown number in each proportion. Round your answers to hundredths, if necessary. Check your answers by finding the cross products. See Examples 1 and 2.

Find the unknown number in each proportion. Round your answers to hundredths, if necessary. Check your answers by finding the cross products. See Examples 1 and 2.

Find the unknown number in each proportion. Round your answers to hundredths, if necessary. Check your answers by finding the cross products. See Examples 1 and 2.

Find the unknown number in each proportion. Write your answers as whole or mixed numbers when possible. See Example 2.

Find the unknown number in each proportion. Write your answers as whole or mixed numbers when possible. See Example 2.

Find the unknown number in each proportion. Write your answers as whole or mixed numbers when possible. See Example 2.

Find the unknown number in each proportion. Write your answers as whole or mixed numbers when possible. See Example 2.

Solve each proportion two different ways. First change all the numbers to decimal form and solve. Then change all the numbers to fraction form and solve; write your answers in lowest terms.

Solve each proportion two different ways. First change all the numbers to decimal form and solve. Then change all the numbers to fraction form and solve; write your answers in lowest terms.

Solve each proportion two different ways. First change all the numbers to decimal form and solve. Then change all the numbers to fraction form and solve; write your answers in lowest terms.

Solve each proportion two different ways. First change all the numbers to decimal form and solve. Then change all the numbers to fraction form and solve; write your answers in lowest terms.

Work Exercises 29 30 in order. First prove that the proportions are not true. Then create four true proportions for each exercise by changing one number at a time.

Work Exercises 29 30 in order. First prove that the proportions are not true. Then create four true proportions for each exercise by changing one number at a time.

Use the bar graph of the countries with the most websites to complete Exercises 1-4. Write each ratio as a fraction in lowest terms. Write the ratio of the number of websites in Japan to the number of websites in Germany.

Use the bar graph of the countries with the most websites to complete Exercises 1-4. Write each ratio as a fraction in lowest terms. What is the ratio of the number of websites in Brazil to the number of websites in Italy

Use the bar graph of the countries with the most websites to complete Exercises 1-4. Write each ratio as a fraction in lowest terms. Find the ratio of the combined number of websites in Italy and Germany compared to the number of websites in Japan.

Use the bar graph of the countries with the most websites to complete Exercises 1-4. Write each ratio as a fraction in lowest terms. Write the ratio of the number of websites in the USA compared to the total number of websites in all the other countries shown in the graph.