SOLUTION: If it takes 10 people 7 hours to paint the front of the office building, how long will it take for 5 people

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Question 832414: If it takes 10 people 7 hours to paint the front of the office building, how long will it take for 5 people
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Half as many people will take
twice as long to do the same job, so
5 people will take +2%2A7+=+14+ hrs to paint it