Mathematics, 28.08.2019 22:00 bnbjj

Tinh can row at a rate of 6 mph in still water. it takes her 2 hours to row upstream from a dock to a park. she then rows back to the dock, and it only takes 40 minutes. what is the speed of the river current?

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Tinh can row at a rate of 6 mph in still water. it takes her 2 hours to row upstream from a dock to...

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