Day 4 Problem of my Math mini-contest for D.Buzz 😎

Math mini-contest problem for Day 4 😎

Hive account@chrisrice is 13 years older than Hive account@jancharlest. Exactly 9 years ago, Hive account@chrisrice was twice as old as Hive account@jancharlest. What are their ages at present? 😆