10 women will complete a job in 7 days and 10 children take 14 days to complete the job. How many days will 5 women and 10 children take to complete the work? Choose the correct answer:
A) 5  B) 6  C) 7  D) 10  E) 12
woman 1 day work = 1/70   1 child 1 day work = 1/140   (5 + 10) = 5/70+10/140   day work = 1/14+1/14=1/7   ===&gt;7 days   ANSWER 7
<result>C</result>
10 women will complete a job in 7 days and 10 children take 14 days to complete the job. How many days will 5 women and 10 children take to complete the work?