SOLUTION: It takes one crew 8 hours to clean an auditorium after an event. If a second crew helps, it only takes 1.5 hours. How long would it take the second crew, working alone, to clean th

SOLUTION: It takes one crew 8 hours to clean an auditorium after an event. If a second crew helps, it only takes 1.5 hours. How long would it take the second crew, working alone, to clean th

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Question 858716: It takes one crew 8 hours to clean an auditorium after an event. If a second crew helps, it only takes 1.5 hours. How long would it take the second crew, working alone, to clean the auditorium?

Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
1.5/8+1.5/x=1
x = 1.84615 about 1 hour 51 minutes

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