I am x years old and my brother is 3 years older. How old was my brother last year
The correct answer is: B
Explanation
If I am x years old, then my brother will be (x + 3)years old
then last year my brother was (x + 3) - 1 = (x + 2)years old
I am x years old and my brother is 3 years older. How old was my brother last year
If I am x years old, then my brother will be (x + 3)years old
then last year my brother was (x + 3) - 1 = (x + 2)years old