A person is on the bank of a river that is 1 mile wide. He wants to travel to a town on the opposite bank but is 2 miles upstream. He instead row in a straight line to some point P on the opposite bank, then walk the remaining distance along the bank. To what point on the shore should he row in order to reach his destination as quickly as possible if he can walk 5 mile an hour and row 4 miles an hour?

Question

freckles · Answer

Have you tried to draw this yet?

anonymous · Answer

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