The average age of a family of 8 members is 24 years. if the age of the youngest member be 6 years, the average age of the family at the birth of the youngest member was?
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5x=120 —-> 5x=120-5x8 so 5x=80 so x=16.
Average age is 16. This assumes you are counting the youngest as a person of zero years old rather than someone who is about to be born, so one less family member.
Average age is 16. This assumes you are counting the youngest as a person of zero years old rather than someone who is about to be born, so one less family member.
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Answer:
21.42 years
since the age of 8 members is 24 yrs
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