The average age of 27 students of a class is 22. If the age of the teacher is also added to their ages, then the average increases by one. Find the age of the teacher.
A. 42
B. 48
C. 50
D. 52
Answer:C
The average age of 27 students of a class is 22. If the age of the teacher is also added to their ages, then the average increases by one. Find the age of the teacher.
A. 42 B. 48 C. 50 D. 52