SOLUTION: In still water, a boat averages 5 miles per hour. It takes the same amount of time to travel 14 miles downstream, with the current, as 6 miles upstream, against the current. What i

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Question 921200: In still water, a boat averages 5 miles per hour. It takes the same amount of time to travel 14 miles downstream, with the current, as 6 miles upstream, against the current. What is the rate of the water's current?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
14%2F%285%2Bc%29+=+6%2F%285-c%29| Cross Multiplying to solve
14(5-c) = 6(5+c)
70-14c = 30 + 6c
40 = 20c
2mph = c
and...checking
14mi/7mph = 6mi/3mph = 2hr