Question

Q13 . A and B can do a job in 6 days , B and C in 9 days , A and C in 12 days . How much time will take to complete the job if they all work together ? How long will each of them take to do the job?​

Answer 1

Answer:

The average between 6 and 12 is 9 so if they work together the average should be 9

Step-by-step explanation:

B. works 2.5 times faster then A and

A.