Answer:
<h2>81.28</h2>
Step-by-step explanation:
To solve this kind of problem, we must remember that the word "of" means multiplication in math language, and all percentages numbers can be expressed as a fraction where the denominator is 100. Applying all this, we have

Therefore, all those percentages of 8128 results in 81.28
Answer:
13/15
Step-by-step explanation:
pls mark me brainliest
Yes, you can add a negative and a positive when doing like terms.