SOLUTION: Traveling upstream against the current, it took a motorboat 2 hours to make a 60 mile trip. The return trip traveling downstream with the current took 1 hour. Find the rate of curr

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Question 395750: Traveling upstream against the current, it took a motorboat 2 hours to make a 60 mile trip. The return trip traveling downstream with the current took 1 hour. Find the rate of current.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

Let x and c represent rate of boat and current respectively

Question states*** D = r*t OR r = D/t

 x + c = 60mi/1hr

 x - c =  60mi/2hr



 x + c =  60mph

 x - c =  30mph

 2x = 90mph

  x = 45mph, speed of the boat

  45mph + c = 60mph

          c = 15mph, the rate of the current