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If 10 men can complete a piece of work in 30 days how many men are requiredto complete the same job in 25 days?
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Nov 13, 2015
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If 10 men can complete a piece of work in 30 days how many men are requiredto complete the same job in 25 days?
Mathematics
high-school
Jordan Miner
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We must assume that all workmen work at the same rate, and keep it up forever.
More men ==> fewer days
so the proportion is: 30/25 = x/10
Cross-multiply the proportion:
300 = 25 x
Divide each side by 25 :
x = 300/25 =
12 men
Bobeff
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Nov 18, 2015
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Bobeff
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