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A boat moves at a rate of 10mph in still water. if the river's current flows at a rate of 3mph, how long does it take the boat to travel 32 miles upstream?
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A boat moves at a rate of 10mph in still water. if the river's current flows at a rate of 3mph, how long does it take the boat to travel 32 miles upstream?

User Yue JIN
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It would take the boat just over four and one half hours to travel 32 miles upstream.
User Keisuke
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