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Mathematics, 06.03.2020 18:56 GoAheadAndSmileToday

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?
3 mph
12 mph
18 mph
48 mph

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Answers: 2

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