Question

there was a girl half my age when i was 12, now i am 64 how old is she?

Answer 1

Answer: She is 32 years old.

Step-by-step explanation:

If the girl was 1/2 your age when you were 12, meaning she was 6.  If we continue this trend, we can see that whatever your age is, she is half. So she would be 32.