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Mathematics, 22.07.2019 03:30 bobjill1609

Aboat travels 9 km upstream and 9 km back. the time for the round trip is 5 hours. the speed of the stream is 2km/hr. what is the speed of the boat in still water?

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Aboat travels 9 km upstream and 9 km back. the time for the round trip is 5 hours. the speed of the...
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