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Mathematics, 01.08.2019 08:00 julie426

Together, tim and alan can unload a truck 6 in minutes. when tim works alone, it takes him 9 minutes longer than alan to unload the truck. how long does it take each person to unload the truck alone?

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Together, tim and alan can unload a truck 6 in minutes. when tim works alone, it takes him 9 minutes...

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