SOLUTION: 12 men complete the 2400 square meter ploughing work in 10 days. how many men are required to complete 3600 square meter ploughing work in 18 days?

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Question 1002889: 12 men complete the 2400 square meter ploughing work in 10 days. how many men are required to complete 3600 square meter ploughing work in 18 days?
Answer by Alan3354(69443) About Me  (Show Source):
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12 men complete the 2400 square meter ploughing work in 10 days. how many men are required to complete 3600 square meter ploughing work in 18 days?
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2400 sq m takes 12*10 = 120 man-days
--> 1 man-day = 20 sq meters
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3600/20 = 180 man-days
180 man-days/18 days = 10 men