the number of hours to paint a house varies inversely with the number of painters working. A 2400-square foot house can be painted in 27 hours by 6 painters. how many painters would need to work in order to paint the house in 18 hours?
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Let, the no of painters be X
Since the ans is in inverse
No. of painters=6 takes 27 hours
so, if the work is done in 18 hours therefore no. of painters will be more.
=> x= 6*27/18
=> x = 9
Therefore ,the no. of painter who paint the house in 18 hours is 9
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