If 2 boys and 3 girls can do a piece of work in 10 days while 3 boys and 2 girls can do the same work in 8 days. In how many days can 2 boys and 1 girl do the same work?
A9
B141⁄2
C121⁄2
D15
solution is wrong the answer in sol. is 1 1/4
solution is wrong the answer in sol. is 1 1/4