A set of 10 new questions in each round Question: ( 3 of 10 ) If Sandra can finish the work in 34 days and Gary can finish the same work in 39 days, then in how many days both can finish the work together? (A) 36 12/73 days or 36.164 days (B) 36.5 days (C) 73 days (D) 18 12/73 days or 18.164 days