SOLUTION: A kayak moves at a rate of 12 miles per hour in still water. If the river’s current flows at rate of 4 miles per hour, how long does it take the boat to travel 36 miles upstream?
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Question 1125921: A kayak moves at a rate of 12 miles per hour in still water. If the river’s current flows at rate of 4 miles per hour, how long does it take the boat to travel 36 miles upstream? Answer by ikleyn(52775) (Show Source):
