The time taken by A to complete a work is 20 days. B takes 2 x % 2x% 2 x % more days than A to complete the same work, and C takes x % x% x % more day...
Question
The time taken by A to complete a work is 20 days. B takes more days than A to complete the same work, and C takes more days than B to complete the work. The time taken by C alone to complete the work is equal to the sum of the time taken by A and B alone to complete the work. Find the time taken by all three working together to complete 11 times the work.