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Mathematics, 29.01.2020 04:59 Geo777

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 upstream? . a] 3(b - c) = 120. b] 4(b - c) = 120. c] 4(b + c) = 121

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