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Mathematics, 03.11.2019 04:31 mandi795
It takes one crew 6 hours to clean an auditorium after an event. if a second crew , it only takes 3.5 hours. how long would it take the second crew, working alone, to clean the auditorium?
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It takes one crew 6 hours to clean an auditorium after an event. if a second crew , it only takes 3....
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