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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Jim Cote asked Jan 22, 2022

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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?

Mathematics
high-school

Jim Cote asked Jan 22, 2022

by Jim Cote

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Answer:

It would take Beth twelve minutes to wash the car herself

Explanation:

If they do it together in 6 minutes.

& Katy can do it in 18 minutes alone

Then 18 - x = 6

replace x for twelve

18 - twelve = 6

Ans: twelve

Matteeyah answered Jan 28, 2022

by Matteeyah

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