A boat takes 8 hours to go 6 miles upstream and come back to the starting point. If the speed of the boat is 4 miles per hour in still water, what is the rate of the current?

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asked Jul 27, 2018 156k views

1 Answer

Shiran Dror · Answer 1 · 2018-07-31T16:31:57+0000

I worked on this for a while and couldn't get the answer.
Here's an answer I found by trial and error: rate of the current = 3.1625