3 years ago, the average age of a family of 3 members was 34 years. A baby having born, the average age of the family today is 28 years. Find the age of the child.
1
1
2
2
3
1.5
4
2.5
3 years ago, the average age of a family of 3 members was 34 years. A baby having born, the average age of the family today is 28 years. Find the age of the child.