the sum of ages of 5 members comprising a family,3 years ago was 80. the average age of family today is the same as it was 3 years ago,because of an addition of a baby during the intervening period. how old is baby.solution for this
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The sum of ages of 5 members comprising a family, 3 years ago was 80.
The average age of family today is the same as it was 3 years ago, because of an addition of a baby during the intervening period.
How old is baby ?