SOLUTION: John Averaged 50 MPH from city A to B returning over the same route he averaged 55 mph if it took him 32 hours total time, how far apart are A and B?

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Question 607422: John Averaged 50 MPH from city A to B returning over the same route he averaged 55 mph if it took him 32 hours total time, how far apart are A and B?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi

Note:  D = rt OR d/r = t

John Averaged 50 MPH going and 55mph returning.  total trip took 32hr 

 d/50 + d/55 = 32

 55d + 50d = 32(50·55)

  105d = 32(50·55)

     d = 32(50·55)/105

     d = 838.1mi