Mean age of 5 children is 16 year. If teacher
age is added then their mean age
will be 20. Find the teacher age
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Sum of 5 children 5*16=80
Sum of 5 children and teacher 6*20=120
Age of the teacher 120 -40=80
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Age of 1 child= 16
Age of 5 children= 16x5
= 80
So sum of teacher and 5 children= 6x20
= 120
Therefore age of teacher= 120
- 80
40
Answer is 40
Please add me as brainliest
Age of 5 children= 16x5
= 80
So sum of teacher and 5 children= 6x20
= 120
Therefore age of teacher= 120
- 80
40
Answer is 40
Please add me as brainliest
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