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4 people can paint a house in 6 hours.

 

(a) How long would it take one person to paint a house?

 

(b) How long would it take 3 people to paint a house?

 Sep 7, 2020
 #1
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A   It will take 4 times longer = 24 hours

 

B  it takes   4 p x 6h =  24 people hours to paint a house

                 24 p-h / 3 p = 8 hours  for 3 people 

 Sep 7, 2020

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