SOLUTION: Two men travelling in opposite directions at the rate 18 and 22 miles per hour respectively started at the same time from the same place. In how many hours will they be 250 miles a

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Question 624447: Two men travelling in opposite directions at the rate 18 and 22 miles per hour respectively started at the same time from the same place. In how many hours will they be 250 miles apart ?
Answer by vleith(2983) About Me  (Show Source):
You can put this solution on YOUR website!
The two men are moving away from each other at a combined rate of 18%2B22+=+40 mph
Distance+=+Speed+%2A+Time
250m+=+%2840m%2Fh%29+%2A+Time
%28250%2F40%29h+=+Time
6.25h+=+Time or 6 hours and 15 minutes