A set of 10 new questions in each round. Question: ( 1 of 10 ) Amanda can finish a work in 44 days. Dorothy can finish the same work in 45 days while Melissa can finish the work in 46 days. How long will it take to finish it if they work together? (A) 45 days (B) 28 3022/3037 days or 28.995 days (C) 33.75 days (D) 14 3022/3037 days or 14.995 days