A can do a piece of work in 12 days. When he had worked for 2 days B joins him. If the complete work was finished in 8 days. In how many days B alone can finish the work?
Choose one.
A) 18 days  B) 11 days  C) 77 days  D) 188 days  E) 66 days
8/12 + 6/x = 1   X = 18 days   18 daysnswer: 18 days
<result>A</result>
A can do a piece of work in 12 days. When he had worked for 2 days B joins him. If the complete work was finished in 8 days. In how many days B alone can finish the work?