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5 men take 28 days to build a boat. Assuming the men work at the same rate, calculate the number of men needed to build a boat in 20 days.​
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5 men take 28 days to build a boat. Assuming the men work at the same rate, calculate the number of men needed to build a boat in 20 days.​

5 men take 28 days to build a boat. Assuming the men work at the same rate, calculate-example-1
User Strabek
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5 men - 28 days
? men - 20 days
Cross multiplication:
(20x5)/28=3.57…≈4
User Seth Koberg
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