10 women can complete a work in 7 days and 10 children take 14 days to complete the work. How many days will 2 women and 10 children take to complete the work?
Pick one
A) 4 B) 5 C) 7 D) 8 E) 10
1 women's 1 day work = 1/70   1 child's 1 day work = 1/140   (2 women + 10 children)'s 1 day work   = (2/70 + 10/140) = 1/10   2 women and 10 children will complete the work in 10 days.   10
<result>E</result>
10 women can complete a work in 7 days and 10 children take 14 days to complete the work. How many days will 2 women and 10 children take to complete the work?