Posted by **Chelsea** on Saturday, September 12, 2009 at 5:26pm.

Suppose that the river was moving with a velocity of 3 m/s, North and the motor boat is moving with a velocity of 4 m/s, East. If the width of the river is 80 meters wide, then how much time does it take the boat to travel shore to shore? What distance downstream does the boat reach the opposite shore?

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