Question

A hunter is at a point along a river bank. He wants to get to his cabin, located 5 miles north and 8 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 irn minimum time? The distance that the hunter should walk along the river is approximately mi. (Do not round until the final answer. Then round to the nearest tenth as needed.)

Answer 1

om the a taph, the total me that he hunte Coneumed to his destnatton is 2 a336 336)42(124q 3-X 2 (21) +23 2(21) χ=10.1821, 5-8173 Srnce i cannot be lo. 182 because the dRstance oxt sguang on boh srd be come 2 5. 317z