SOLUTION: 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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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):
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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.
