Lighthouses Store
lighthouses store
math problem help?
A lighthouse is at point A, 5km. offshore from the nearest point O of a straight beach. A store is at point C which is 7km. from point O. If a man can row 4km/hr and walk 5kn/hr, how should he proceed in order to get from the lighthouse to the store in the least possible time?
the shortest path between two points is a straight line. connect the store to the lighthouse with a straight line. it doesn't matter whether it passes thru point O.
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