Solve the problem.
-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 2.4 miles per hour, which is 40% of Irena's
Speed. If they meet exactly as planned, what is the distance between their houses?
A) 25.2 miles
B) 18 miles
C) 10.08 miles
D) 7.2 miles

Question

Quizplus · Accepted Answer

Doreen's speed is 2.4 mph, which is 40% of Irena's speed. So, Irena's speed is 2.4 mph / 0.4 = 6 mph. Together, they cover 2.4 mph + 6 mph = 8.4 mph. In 3 hours, they cover 8.4 mph * 3 hours = 25.2 miles.

Solve the Problem. -Doreen and Irena Plan to Leave Their Houses at the Houses