Question
A certain number of women can complete a piece of work in 9 days. If there were 18 women less, it would take 6 days more to complete the same work. If (x – 5) children and 5 men can complete a work in 20 days, while (x – 15) children and 30 men can complete the same work in 10 days, then find how many days are required to complete the same work by 84 men.
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