A set of 10 new questions in each round. Question: ( 1 of 10 ) If Steven can finish the work in 37 days and Jonathan can finish the same work in 42 days, then in how many days both can finish the work together? (A) 38 53/79 days or 38.671 days (B) 19 53/79 days or 19.671 days (C) 79 days (D) 39.5 days