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 10 children take to complete the work?	Choose the correct choice from the following choices.
A) 6 days
B) 7 days
C) 8 days
D) 9 days
E) 10 days
Explanation:   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   Option 7 days
<result>B</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 10 children take to complete the work?