8 men and 12 women can do a job in 25 days and what time can 6 men and 11 women do it
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Answer:
21 days.
8+12 = 25 days
6+11 = ?
20 = 25 days
17 = ?
17 × 25 ÷ 20
425 ÷ 20
21 days .
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