Question

6. The average age of a class of 29 students is 20 year.
If the age of teacher is included, then the average
increases by 3 months. Find the age of the teacher.
A. 25. 2 years
B. 27.5 years
C. 29 years
D. 31.5 years

Answer 1

Answer:

27.5 years

I hope it will work