Mathematics, 17.11.2020 02:20, mak6156

Boris is kayaking in a river with a 6 mph current. Suppose that he can kayak 4 miles upstream in the same amount of time as it takes him to kayak 9 miles downstream. Find the speed (mph) of Boris's kayak in still water.

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Boris is kayaking in a river with a 6 mph current. Suppose that he can kayak 4 miles upstream in the...

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