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Three men can paint a barn in 12 hours.  How long will it take two men to paint a barn?

 May 26, 2020
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Three men can paint a barn in 12 hours.  How long will it take two men to paint a barn?

 

Hello Guest!

 

\(\color{blue}W=N\cdot t\cdot n\\ N=\frac{W}{t\cdot n}=\frac{W}{12h\cdot 3}\)

\(N=\frac{W}{36h}\)

\(W=N\cdot t\cdot n\\ W=\frac{W}{36h}\cdot t\cdot 2\\ t=\frac{W\cdot 36h}{2W}\)

\(t=18h\)

 

Two men can paint a barn in 18 hours.

laugh  !

 May 26, 2020

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