Question

IF THE AVERAGE AGE OF 20 STUDENTS ARE 56 YEARS . IF THE TEACHER AGE IS INCLUDED THE AVERAGE IS INCREASED BY 2 YEARS . FIND THE AGE OF THE TEACHER.​

Answer 1

Answer:

58

Step-by-step explanation:

2+66=8

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done

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Answer 2

Average of 20 students= 14 years

Sum/20=14

Sum=280

Let teacher's age be x

280+x/21=16

280+x=336

x=336–280

x=56

Hence, teacher's age is 56

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