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

Multiple Choice

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