A set of 10 new questions in each round. Question: ( 2 of 10 ) If Charles can finish the work in 20 days and Kenneth can finish the same work in 24 days, then in how many days both can finish the work together? (A) 20 10/11 days or 20.909 days (B) 44 days (C) 22 days (D) 10 10/11 days or 10.909 days