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Mathematics 18 Online
OpenStudy (anonymous):

A motorboat travels 272 miles in 4 hours going upstream and 306 miles in 3 hours going downstream. What is the rate of the boat in still water and what is the rate of the current?

OpenStudy (tkhunny):

What is the total upstream rate? What is the total downstream rate? What is the difference? How does the rate of the stream factored into this mess?

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