Set up an equation that can be used to solve the problem. Solve the equation and answer the question asked.
-Doreen and Irena plan to leave their houses at the same time, roller blade towards each other, and meet for lunch after 3 hours on the road. Doreen can maintain a speed of 4.8 miles per hour, which is 40% of Irena's
Speed. If they meet exactly as planned, what is the distance between their houses?
A) 50.4 miles
B) 36 miles
C) 20.16 miles
D) 14.4 miles

Question

Quizplus · Accepted Answer

First, find Irena's speed: 4.8 miles/hour / 40% = 12 miles/hour. The total distance covered in 3 hours is (4.8 + 12) miles/hour * 3 hours = 50.4 miles.

Set Up an Equation That Can Be Used to Solve