Posted by **Dumb-Dumb** on Wednesday, September 12, 2012 at 3:58pm.

A hunter wishes to cross a river that is 1.6 km wide and flows with a speed of 5.0 km/h parallel to its banks. The hunter uses a small powerboat that moves at a maximum speed of 15 km/h with respect to the water. What is the minimum time necessary for crossing?

min

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