Mathematics, 14.10.2020 14:01 YoungManAlex

A paddle boat can move at a speed of 12 km/h in still water. The boat is paddled 8 km downstream in a river in the same time it takes to go 4 km upstream. What is the speed of the river?

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A paddle boat can move at a speed of 12 km/h in still water. The boat is paddled 8 km downstream in...

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