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How can I do it 10. (10 puntos) A motorboat heads upstream on a river that has a current of 3 miles per hour. The

How can I do it

10. (10 puntos) A motorboat heads upstream on a river that has a current of 3 miles per hour. The trip upstream takes 5 hours, and the return trip takes 2.5 hours. What is the speed of the motorboat relative to the water

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