10 women can complete a work in 5 days and 10 children take 10 days to complete the work. How many days will 5 women and 10 children take to complete the work?  Choose the correct choice from the following choices.
A) 4  B) 5  C) 7  D) 8  E) 2
1 women's 1 day work = 1/50   1 child's 1 day work = 1/100   (5 women + 10 children)'s 1 day work   = (5/50 + 10/100) = 1/5   5 women and 10 children will complete the work in 5 days.   5
<result>B</result>
10 women can complete a work in 5 days and 10 children take 10 days to complete the work. How many days will 5 women and 10 children take to complete the work?