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John, Paul and Peter can finish painting the fence in 2 hours. If John does the job alone he can finish it in 6 hours. If Paul does the job alone he can finish it in 8 hours. How long will it take for Peter to finish the job alone?

 Oct 31, 2020
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1/6    +      1/8     +   1/p     = 1/2      solve for p = Peter's time painting alone

 Oct 31, 2020
edited by ElectricPavlov  Oct 31, 2020

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