Question

Aaliyah is three times as old as Brad, who is four years younger than Celia. If Celia is 12 years old, how old is Aaliyah?

Answer 1

Since Brad is four years younger than Celia, he is 12 - 4 = 8 years old.
Since Aaliyah is three times as old as Brad, she is 8 * 3 = 24 years old.