SOLUTION: A cruise boat travels 36 miles downstream in 4 hours and returns to its starting point upstream in 12 hours. Find the speed of the stream.
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Question 976921: A cruise boat travels 36 miles downstream in 4 hours and returns to its starting point upstream in 12 hours. Find the speed of the stream.
Answer by FrankM(1040) (Show Source): You can put this solution on YOUR website!
Downstream, the boat goes 9mph
Upstream, it goes 3mph
On its own, the boat goes 6mph in still water, with the water moving at 3mph.
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