Mathematics
Mathematics, 08.12.2020 03:20, mem8163

A boat takes 6.5 hours to make a 70-mile trip upstream and 5 hours on the 70-inile return trip. Let v be the speed of the boat in still water, and c be the speed of the current. The upstream speed of the boat is v - cand the downstream boat speed is u + C. a. Write to put

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A boat takes 6.5 hours to make a 70-mile trip upstream and 5 hours on the 70-inile return trip. Let...

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