B. A hunter is at a point along a river bank. He wants to get to his cabin, located 3 km north {across land) and 3 km west (along the river bank]. He can travel 5 km per hour along the river but only 2 ion per hour on this very rocky land. 1What is the shortest possible time for the hunter to get to his cabin? For full marl-ts, show steps clearly andjustlfy that your answer is the absolute minimum time. [91