Question
The time needed to paint a wall varies directly with the area and inversely with the number of painters.If it takes 5 people 2 hours to paint 100 square meters,how much area could 6 people paint in one hour.
Answers
t = ka/p
So, pt/a = k is constant.
So, you want a such that
6*1/a = 5*2/100
So, pt/a = k is constant.
So, you want a such that
6*1/a = 5*2/100
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