10 women can complete a work in 7 days and 10 children take 14 days to complete the work. How many days will 5 women and 4 children take to complete the work?  Choose 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   (5 women + 4 children)'s 1 day work   = (5/10 + 4/140) = 1/10   5 women and 4 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 5 women and 4 children take to complete the work?