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A hunter is at a point along a river bank. He wants to get to his​ cabin, located 5 miles north and 7 miles west.​ (See figure.) He can travel 5 mph along the river but only 2 mph on the rocky land. How far upriver should he go in order to reach the cabin in minimum​ time?

 Feb 18, 2020
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we're going to need the figure.

 

what direction does the river flow in?

 Feb 18, 2020

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