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Solution: How many children are there?

How many children are there?

Problem Statement:

At present, the sum of the parents’ ages is twice the sum of the children’s ages. Five years ago, the sum of the parent’s ages was 4 times the sum of the children’s ages. Fifteen years hence, the sum of the parents’ ages will be equal to the sum of the children’s ages. How many children are there?

Problem Answer:

There are 5 children.

Solution:

Latest Problem Solving in Age, Work, Mixture, Digit, Motion Problems

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