Car cleaning Together, Michelle, Sal, and Kristen can clean and wax a car in 1 hr 20 min To complete the job alone, Michelle needs twice the time that Sal needs and 2 hr more than Kristen How long would it take each to clean and wax the car working alone Car cleaning Together, Michelle, Sal, and K...

Let x the time it takes Sal to clean and wax the car alone Then Michell ...

Car cleaning. Together, Michelle, Sal, and Kristen can clean and wax a car in 1 hr...

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Quantitative Methods for Business

ISBN: 978-0324651751

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Car cleaning. Together, Michelle, Sal, and Kristen can clean and wax a car in 1 hr...

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Quantitative Methods for Business

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