Mathematics, 28.10.2019 05:31 lia3865

The speed of a stream is 4km/h. a boat travels 6 km upstream in the time it takes to travel 12 km downstream. what is the speed of the boat in still water

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The speed of a stream is 4km/h. a boat travels 6 km upstream in the time it takes to travel 12 km do...

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