SOLUTION: it takes 63 minutes for 4 people to paint 7 walls
How many does it take for 5 people to paint 10 walls?
Algebra.Com
Question 949206: it takes 63 minutes for 4 people to paint 7 walls
How many does it take for 5 people to paint 10 walls?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
it takes 63 minutes for 4 people to paint 7 walls
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63*4/7 = 36 people-minute per wall
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How many does it take for 5 people to paint 10 walls?
10 walls * 36 = 360 people-minutes
360/5 = 72 minutes
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