10women can complete a work in 7days&10children take 14days to complete the work. How many days will 5women and 10children take to complete the work?
Answers
A) 5 days	B) 7 days	C) 8 days	D) 9 days	E) 11 days
1 woman's 1 day's work = 1/70   1 Child's 1 day's work = 1/140   5 Women and 10 children 1 day work =   (5/70+10/140)=1/7   So 5 women and 10 children will finish the work in 7 days.   7 days)
<result>B</result>
10women can complete a work in 7days&10children take 14days to complete the work. How many days will 5women and 10children take to complete the work?