SOLUTION: i ride 2 hours on a bike. i ride out at 18 mph and ride back at 25 mph

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Question 469932: i ride 2 hours on a bike. i ride out at 18 mph and ride back at 25 mph
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi

Distance the same at both rates: Let x represent time taken traveling back.

25mphx = 18mph(2-x)

 43x = 36

   x = 36/43 hr, time traveling back

       D = 25*(36/43) = 20.93mi



20.93mi = 18*(2-36/43) = 18(86/43-36/43) = 18*(50/43) =