SOLUTION: A motorboat heads upstream on a river that has a current of 2.5 miles per hour. The trip upstream takes 4.5 hours and the return trip takes 2 hours. What is the speed of the motorb
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-> SOLUTION: A motorboat heads upstream on a river that has a current of 2.5 miles per hour. The trip upstream takes 4.5 hours and the return trip takes 2 hours. What is the speed of the motorb
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Question 990671: A motorboat heads upstream on a river that has a current of 2.5 miles per hour. The trip upstream takes 4.5 hours and the return trip takes 2 hours. What is the speed of the motorboat? Answer by ikleyn(52866) (Show Source):
