Mathematics, 04.08.2020 18:01 failingschooll0l

The speed of a boat in still water is 5 kilometre per hour it can go 15 km upstream and 28 km downstream in 5 hours find the speed of the stream plz answer step by step

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The speed of a boat in still water is 5 kilometre per hour it can go 15 km upstream and 28 km downst...