What is the value of 9 + 15?

To find the value of 9 + 15, you simply add the two numbers together. Starting from 9, if you add 10, you get 19, and then you add the remaining 5 to that sum.

So, 9 + 10 equals 19, and when you add the additional 5, you get:

19 + 5 = 24.

Thus, 9 + 15 equals 24. Therefore, the value of 9 + 15 is accurately represented by the number 24.