A small island is 4 miles from the nearest point P on the straight shoreline of a large lake. if a woman on the island can row a boat 3 miles per hour and can walk 4 miles per 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? 6. (E/ The boat should be landed D miles down the shore from P. (Type an exact answer.)