A is twice as good a workman as B and they took 8 days together to do the work B alone can do it in.	Choose the correct choice:  A) 24 days  B) 12 days  C) 29 days  D) 25 days  E) 27 days

Rationale: "wc = 2 : 1 2 x + x = 1 / 8 x = 1 / 24 = > 24 days answer : a"
Answer: A