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BigorU [14]
3 years ago
9

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. Ho

w long would it take Beth to wash the car herself?
Mathematics
1 answer:
disa [49]3 years ago
7 0

Answer:

It would take Beth twelve minutes to wash the car herself

Step-by-step 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

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