3 I cannot fail this if I do I have a F in math!! Please make sure u know it’s correct I can’t do it alone.

step-by-step explanation:

you can add the two numbers and divide the result by 2. or you can find the gap between the two numbers and add half of this to the smaller number.

the answer is d

for problems like this theres an app, its photomath that explains the problem and gives the answer hope i