SOLUTION: The S.S. Fluffy (a boat) can travel 35 miles upstream in 7 hours. If the S.S. Fluffy can go 63 miles downstream in the same amount of time, how fast is the current of the river?

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Question 1078005: The S.S. Fluffy (a boat) can travel 35 miles upstream in 7 hours. If the S.S. Fluffy can go 63 miles downstream in the same amount of time, how fast is the current of the river?
Answer by Alan3354(69443) About Me  (Show Source):
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The S.S. Fluffy (a boat) can travel 35 miles upstream in 7 hours. If the S.S. Fluffy can go 63 miles downstream in the same amount of time, how fast is the current of the river?
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The boat's waterspeed is the average of upstream and downstream.
The current is the difference between waterspeed and land speed.