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
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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
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