The answer is 7. 9 + 5 / 2 equals to 7. 9 and 5 and the two middle numbers.
It is the fourth one because n could be any number on that red line because it’s is greater than -3
Https://tex.z-dn.net/?f=+%5Cfrac%7B8%7D%7B64%7D+%3D+%5Cfrac%7B2%7D%7Bx%7D++%5C%5C++%5C%5C+8x%3D128+%5C%5C++%5C%5C+x%3D16
Divide by 2/2 and answer=4/5
