SOLUTION: If it takes 3 man 4 days to lay 400 feet of pipe, how many men will it take to lay 2400 feet of pipe in 2 days?
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Question 404174: If it takes 3 man 4 days to lay 400 feet of pipe, how many men will it take to lay 2400 feet of pipe in 2 days?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
3 men work 3 times as fast as 1 man.
If it takes 3 man 4 days to lay 400 feet of pipe
Then it takes 1 man 12 days to lay 400 ft of pipe (3 times as long)
To lay 6 times as much pipe in the same time , it takes 6 times as many men
Thus it will take 6 men 12 days to lay 2400 ft of pipe
It will take 6 times as many men to lay 2400 ft of pipe in 1/6 of that time
Thus it will take 36 men 2 days to lay 2400 ft of pipe (answer)
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