Why is the sum of all negative integers whose absolute value is greater than 2.5 but less than 5.6?

Why is the sum of all negative integers whose absolute value is greater than 2.5 but less than 5.6?

Because the absolute value is greater than 2.5 and less than 5.6
And negative integers
So those who meet these conditions are
-5,-4,-3
The sum of these three numbers is - 12