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Sample Question #2 - Part A:

A. In a river with a constant current, a man can row “2x” miles upstream in 5 hours, while he can row “x” miles downstream in 2 hours. Assume that the man rows at a constant rate in still water. Let a = the ratio of the man’s rowing rate in still water to the rate of the current. Find a.

Solution: 9

 




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