SOLUTION: Three men can paint a wall in 2 hours. How many men would be needed to paint 3 identical walls in 3 hours?

Question 1032122: Three men can paint a wall in 2 hours. How many men would be needed to paint 3 identical walls in 3 hours?
Answer by ikleyn(52803) (Show Source): You can put this solution on YOUR website!
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Three men can paint a wall in 2 hours. How many men would be needed to paint 3 identical walls in 3 hours?
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The rate of work is  =   in the first case.

In the second case the rate of work is  =  =  in terms of the same unit,  

where  x  is an unknown number of mens in the second case.


So, we have a proportion

 = .

From the proportion, x = 6.

Answer. 6 men are needed.

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