4 girls can do a piece of work in 9 days, same work 3 boys can do in 8 days, then 10 girls and 8 boys take to finish the work in together. how many days they complete the work?
1
12/11 days
2
11/16 days
3
18/11 days
4
11/12days
4 girls can do a piece of work in 9 days, same work 3 boys can do in 8 days, then 10 girls and 8 boys take to finish the work in together. how many days they complete the work?