10) a) A small island is 2 miles from the nearest point P of a straight...

10) a) A small island is 2 miles from the nearest point P of a straight shoreline. If a woman on the island can row a boat 3 miles an hour and can walk 4 miles an hour, where should the boat be landed in order to arrive at a town 10 miles down the shore from P, in the least time? b) Suppose instead that the woman uses a motorboat that goes 20 miles per hour. Then where should she land?

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milcah answered 2 years ago

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