Question

The average age of a class 22students is 21 years the average increased by 1 when the teacher age also included what is the age of the teacher

Answer 1

Answer: 44 years

Step-by-step explanation:

Average age of 22 students = 21 years

Sum of the age of 22 students = 21 * 22 =462

Average age of 22 students and a teacher = 22 years

Sum of the age of 22 students and a teacher = 22 * 23 = 506

Age of teacher = 506 - 462 = 44 years