The graph shown gives the first-class postage rates in the year 1999 for mailing items weighing up to 5 ounces. According to the graph, which of the statements is incorrect? Weight (oz)and Postage Rate (cents)
A)The postage cost for mailing a 2-ounce letter is 55 cents .
B)The heaviest letter that could be mailed for 80 cents first class weighs 2 ounces.
C)The postage cost for mailing a 1-ounce letter is 33 cents.
D)The difference in postage for a 3.16-ounce letter and a 4.37-ounce letter is 20 cents .
E)The postage cost for mailing a 4-ounce letter is $1.00.

Question

The graph shown gives the first-class postage rates in the year 1999 for mailing items weighing up to 5 ounces. According to the graph, which of the statements is incorrect? Weight (oz)and Postage Rate (cents) 
A)The postage cost for mailing a 2-ounce letter is 55 cents . 
B)The heaviest letter that could be mailed for 80 cents first class weighs 2 ounces. 
C)The postage cost for mailing a 1-ounce letter is 33 cents. 
D)The difference in postage for a 3.16-ounce letter and a 4.37-ounce letter is 20 cents . 
E)The postage cost for mailing a 4-ounce letter is $1.00.

Quizplus · Accepted Answer

From the graph, we can see that the postage rate for a 2-ounce letter is 70 cents, not 55 cents as stated in statement A. All the other statements are true according to the graph. However, statement B is contradictory to the graph as the heaviest letter that can be mailed for 80 cents first class actually weighs 3 ounces, not 2 ounces.

The Graph Shown Gives the First-Class Postage Rates in the Year