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Mathematics, 13.07.2019 23:00 raniacakes
Carla and frank can each wash a car and clean the interior in 2 hours, but missy needs 3 hours to do the work. if the three work together, how long will it take to clean 7 cars?
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Carla and frank can each wash a car and clean the interior in 2 hours, but missy needs 3 hours to do...
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