7 people can do a work in 12 days, double the amount of work in 8 days, how many extra people will be needed?
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Step-by-step explanation:
When 7 men complete a piece of work in 12 days, the work requires 7*12=84 man/days
Men required to complete the work in 8 days=84/8=10.5 Men
Men required to complete Double the work in 8 days=10.5*2=21 Men Additional Men required to complete Double the work in 8 days=21–7=14 men
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