Question

A, B and C together can build a wall in 15 days. A and B together can build the wall in 18 days. In how many days will C alone build the wall?
Pls Explain Step By Step​

Answer 1

Answer:

c alone build the wall in 9 days..is correct mark me as brain list..a,b,c take 15 days one has 5 days..so similarly a,b take 18 days one has 9 days..so c will be take 9 days alone.