Question
a paddle boat can move at a speed of 14 km/h in still water. the boat is paddled 16 km downstream in a river in the same time it takes to go 8km upstream. what is the speed of the river?
Answers
evidently the downstream speed is twice as fast as the upstream speed. So,
14+x = 2(14-x)
14+x = 2(14-x)
12
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