Question 11
A family has four children. Aidan’s age is the sum of Billy’s and Cheryl’s ages. Four years ago, Dorris’s age was the sum of Billy’s and Cheryl’s ages then. Eight years ago, Aidan was twice as old as Dorris then. Who is the oldest? Enter 001 for Aidan, 002 for Billy, 003 for Cheryl or 004 for Dorris.
