Question

le 10. The average age of five members of a family is 20 years. The age
of the youngest child is 8 years. Find the average age of the
members of the family at the time of birth of the child ?​

Answer 1

Step-by-step explanation:

Sum of the ages of the 5 members = 5*24 = 120 years. The youngest member is 8 years now. 8 years ago their total age was 120–8*5 = 80.

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