SOLUTION: Suppose a boat is traveling 44 mph up a very long river. The river is flowing at a rate of 4 mph downstream. Assuming the boat continues at a constant speed and the river continues
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Question 781619: Suppose a boat is traveling 44 mph up a very long river. The river is flowing at a rate of 4 mph downstream. Assuming the boat continues at a constant speed and the river continues to flow at a constant rate, how long will it take to travel 200 miles upstream? Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! Suppose a boat is traveling 44 mph up a very long river. The river is flowing at a rate of 4 mph downstream. Assuming the boat continues at a constant speed and the river continues to flow at a constant rate, how long will it take to travel 200 miles upstream?
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The boat's groundspeed, or speed with respect to the Earth is 44 - 4 = 40 mi/hr.
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d = r*t
t = d/r