One man and two boys can do a piece of work in 12 days,which can be done in 6 days by 3 men and one boy. How long would it take for one man to do it?
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Step-by-step explanation:
2 boys and 1 man = 12 days
3 men and 1 boy in =6 days
1 men can do in = 12/3 =4 days
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