SOLUTION: if a man travels at 3 mph from point A to point B and then travels back from point B to point A at 5 mph, and the whole round trip takes him 1 hour what is the distance in miles of

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: if a man travels at 3 mph from point A to point B and then travels back from point B to point A at 5 mph, and the whole round trip takes him 1 hour what is the distance in miles of      Log On

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Question 457247: if a man travels at 3 mph from point A to point B and then travels back from point B to point A at 5 mph, and the whole round trip takes him 1 hour what is the distance in miles of the whole round trip.
please explain to me how to solve this.

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
r*t=d
3a=d
5b=d
a+b=1
a=5/8 b=3/8 d=15/8 miles
2d=30/8=15/4=3 3/4 miles total