SOLUTION: if 6 men can do a piece of work in 20 day who many extra men should be engaged to do the job in 15 days

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Question 994648: if 6 men can do a piece of work in 20 day who many extra men should be engaged to do the job in 15 days
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
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x=number of men to do job in 15 days
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%286_men%29%2820_days%29=%28x%29%2815_days%29
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%28120_man-days%29=%2815_days%29%28x%29
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%28120_man-days%29%2F%2815_days%29=x
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8_men=x
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ANSWER: Eight men can do the job in 15 days.