There are 5 members in a family – grandfather, father, mother, son, and daughter-in-law. The average age of the family is 44 years. Five years ago, the son got married and the daughter-in-law was 18 years old at the time of marriage. Find the average age of the family 6 years ago.
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Q:
There are 5 members in a family – grandfather, father, mother, son, and daughter-in-law. The average age of the family is 44 years. Five years ago, the son got married and the daughter-in-law was 18 years old at the time of marriage. Find the average age of the family 6 years ago.
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