Question

When I was 4 years old, my brother 4 was half my age. Now, I'm 18. How old is my brother?​

Answer 1

Answer:

Are they 9 years old?
otherwise maybe they would be 18.

Step-by-step explanation:

if you were 4 years old and your brother 4 was half your age and now you are 18 your brother would be.

9 years old?