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Five years ago mean age of a family was 25 years. What is the present mean age of
the family?
the mean age of 40 people was 11 years Now
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Answered by
1
Answer:
The present mean age of the family is 30 years. The present mean age of the family is 30 years.
Answered by
0
Answer:
this is what I know
Step-by-step explanation:
Now after 5 years, each person is older by 5 years i.e, each person's age is added with 5 years. Now let the new mean be Xn. ∴The present mean age of the family is 30 years. The present mean age of the family is 30 years.
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