10 women can complete a work in 9 days and 10 children take 12 days to complete the work. How many days will 6 women and 7 children take to complete the work?
Choose the correct choice:	A) 4	B) 5	C) 7	D) 8	E) 2
1 women's 1 day work = 1/90   1 child's 1 day work = 1/120   (6 women + 7 children)'s 1 day work   = (6/90 + 7/120) = 1/8   6 women and 7 children will complete the work in 8 days.   8
<result>D</result>
10 women can complete a work in 9 days and 10 children take 12 days to complete the work. How many days will 6 women and 7 children take to complete the work?