Mathematics, 24.03.2021 23:50 Jennifer2019

Working together, Beth and Katy can wash a car in 6 minutes. Had she done it by herself, it would have taken Katy 18 minutes. How long would it take Beth to wash the car herself?

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Working together, Beth and Katy can wash a car in 6 minutes. Had she done it by herself, it would ha...

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