Question

one man can do a job in 6 days but it takes an onther man 9 days to Do the same job how long would it take men working together to do job​

Answer 1

Answer:

part of one man can do a job in a day =1/6

part of another man can do a job in a day=1/9

part of job finished together a and b = 1/6+1/9 =5/18

A and b can complete job work = 18/5 days=3.6 days