Question

A and B can do work in 15 days.B and C in 30 days and A and C 18 days. They work together for 9 days and then A left. in how many more days can B and C finish the remaining work​

Answer 1

Answer:

A=C-B

18-15

A=3

putting Avalue A

A+B=15

3+B=15

B=15-3

B=12

putting value B

B+C=18

3+C=18

C=18-3

C=15