Is 76.63 because:
If it is 5 or above, you give it one more point .
If it is 4 or below, you let it stay still.
When dividing two fractions, it is important to know to multiply the first fraction by the reciprocal of the second fraction.
Reciprocal means basically a flipped fraction. 2/3 as a reciprocal is 3/2, etc.
1/3 / 1/2= 1/3 x 2/1=2/3
2(n-2)=9
That's the answer. U just set it up as it is written