A motercar goes downstream and covers the distance between two
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A steamer goes downstream and covers the distance between two parts in 5 hours, while it covers the same distance upstream in 7 hours. If the speed of the stream is 3 km/h, then the speed of the streamer in still water is.
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a streamer goes downstream and covers the distance between two ports in 4 hours while it cover the same distance upstream in 5 hours if the speed of the stream bee 2 km per hour find the speed of the steamer in still water
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