Mathematics, 09.12.2020 07:00 ydesoto0513
a steamer Travels 90 km downstream in the same time as it takes to travel 60 km upstream if the speed of the stream is 5 km per hour find the speed of the steamer in still water
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a steamer Travels 90 km downstream in the same time as it takes to travel 60 km upstream if the spee...
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