The average age of a class of 39 students is 15 years .If the age of the teacher May 24, 2022 by admin โช Choose the correct option.The average age of a class of 39 students is 15 years .If the age of the teacher be included, then the average increases by 3 months .Find the age of the teacher.A. 25 yearsB. 27 yearsC. 35 yearsD. 8 years Submit Answer