SOLUTION: If 1200 persons can finish the construction of a building in 40 days, how many persons are needed for the construction of the building in 24 days?

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Question 842618: If 1200 persons can finish the construction of a building in 40 days, how many persons are needed for the construction of the building in 24 days?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
1200*40 =48000 for 1200 to do the job in 40 days
1200*40 /24= 100*20=2000 to do it in 24 days
48000/24=2000 persons