Solve the Problem $$\frac { 1 } { 2 }$$ Hour Longer

Multiple Choice

Solve the problem.
-In the morning, May drove to an appointment at 50 mph. Her average speed on the return trip in the afternoon was 40 mph. The return trip took $$\frac { 1 } { 2 }$$ hour longer. How far did she travel to the
Appointment?

A) 100 mi
B) 80 mi
C) 30 mi
D) 2 mi