Mathematics, 25.12.2019 03:31 destineedeal1

Aboat makes a 120-mile trip downstream in 3 hours but makes the return trip in 4 hours. if b = the rate of the boat in still water and c = the rate of the current, which of the following equations represents the trip downstream?

3(b - c) = 120
3(b + c) = 120
4(b + c) = 120

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Aboat makes a 120-mile trip downstream in 3 hours but makes the return trip in 4 hours. if b = the r...