SOLUTION: A man rowed ten miles downstream in one hour and 15 mins. The return trip took four hours. What is the rate of the current?
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Question 910407: A man rowed ten miles downstream in one hour and 15 mins. The return trip took four hours. What is the rate of the current?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
Re TY
Note: one hour and 15 mins is 1 1/4hr or (5/4) hr
r+c = 8 mph
r-c = 5/2
2r = 21/2
r = 21/4 mph 0r 5 1/4 mph
c = 11/4 mph 0r 2 3/4 mph
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