Question 1128362
.
It was solved many times in this forum.


See, for example, the link


<A HREF=https://www.algebra.com/algebra/homework/word/age/Age_Word_Problems.faq.question.1063777.html>https://www.algebra.com/algebra/homework/word/age/Age_Word_Problems.faq.question.1063777.html</A>


https://www.algebra.com/algebra/homework/word/age/Age_Word_Problems.faq.question.1063777.html