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The first tiler would cover the inside of the pool in 5 working days, and the second would need seven working days for the same work.

In how many days would they line the inside of the pool together?

Correct answer:

t =  2.9167 d

Step-by-step explanation:


t·(1/5+1/7)=1

12t = 35


t = 35/12 = 2.91666667

t = 35/12 ≈ 2.916667

Our simple equation calculator calculates it.



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