In 1991 a person is 14 years old. In 1997, that same person is 8 years old. How can this be?

Question

Monique is 24 years old. She is twice the age that Valerie had when Monique was the same age that Valerie is now. How old is Valerie?

Answer 1

Because , we are counting on years before Christ was born.
1991 BC 14 years old
1997 BC 7 years old

Answer 2

If the age is based on B C it could be