Example 13: a can do a piece of work in 2 days and b can do it in 6 days. c takes to do this work as much time as a and b take to finish this work together. fin

Example 13: A can do a piece of work in 2 days and B can do it in 6 days. C takes to do this work as much time as A and B take to finish this work together. Find the time taken byB and C to compiete this job working together