Mathematics, 06.11.2020 02:00, PompousCoyote

A woman is on a lake in a rowboat located 1 mi from the closest point P of a straight shoreline (see the accompanying figure). She wishes to get to point Q, 10 mi along the shore from P, by rowing to a point R between P and Q and then walking the rest of the distance. If she can row at a speed of 2 mph and walk at a speed of 7 mph, how should she pick the point R (in miles from P) in order to get to Q as quickly as possible? (Round your answer to three decimal places. miles from P

How much time (in hours) does she require? (Round your answer to two decimal places.)
hours

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A woman is on a lake in a rowboat located 1 mi from the closest point P of a straight shoreline (see...