Mathematics, 24.07.2019 12:00, SchoolSucks234

The average age of a family of 3 members was 25 years, five years ago. a new child was born due to which the average age of the family is 23 years today. what is the present age of that child?

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The average age of a family of 3 members was 25 years, five years ago. a new child was born due to w...