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4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days. In how many days will 20 women complete it?
1 man’s 1 day’s work = x days
1 woman’s 1 day’s work = y
Then, 4x+6y = 1/8 and 3x+7y = 1/10.
Solving these two equations y = 1/400
1 woman’s 1 day’s work = 1/400
20 women = 20/400 = 1/20 = 20days
By: Manpreet kaur ProfileResourcesReport error
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