SAT, 26.01.2022 03:40 safelix1260

In a swim and run biathlon, jill must get to a point on the other side of a 25 meter wide river, 75m downstream from her starting point. She can swim at a rate of 4 m/sec and run at a rate of 7 m/sec. Toward what point on the opposite side of the river should jill swim in order to minimize her total time?.

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In a swim and run biathlon, jill must get to a point on the other side of a 25 meter wide river, 75m...