SOLUTION: 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 1/5 hour longer. How far did she trave

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: 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 1/5 hour longer. How far did she trave      Log On

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Question 314531: 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 1/5 hour longer. How far did she travel to the appointment?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
D=RT
D=50T
D=40(T+.2)
50T=40(T-.2)
50T=40T+.8
50T-40T=8
10T=8
T=8/10
T=.8 HOURS OR 48 MINUTES.
50*.8=40 MILES IS THE DISTANCE.
40(.8+.2)=40*1=40 MILES.