Answer:
5
Explanation:
First put the numbers in least to greatest:
2,3,3,4,4,4,6,6,9,9,24
Now cross out numbers left to right.
2,3,3,4,4,4,6,6,9,9,24
If you are ever left with 2 numbers in the middle. You would add them, and divide by 2. So,
6+4=10
10/2=5