Question

Maria takes 9 days to complete a piece of work, john takes 3 days to do the same work and linda completes it in 6 days, how long would it take if all three of them work together to complete it?

Answer 1

1/3 + 1/9 +1/6 = 1 day work of the three
11/18 = 1 day work
total = 18/11

Answer 2

Your ans is 11/18.Maria, John, Linda done all the work together in 18/11 days