Question

A, B, C together can finish a work in 3 days. If A alone can finish the same work in 6 days and B in 9 days, find how long will C take to finish the work.​

Answer 1

Step-by-step explanation:

Let's time taken by C alone to complete the

1/3=1/6+1/9+1/x

1/3-1/6+1/9 =1/×

6/18-3/18+2/18