First-person to help will get brainliest

Answer:
i think 24%
Step-by-step explanation:
if it is not write im sorry i tried
Answer:
the answer would be 13.52 fluid ounces.
Step-by-step explanation:
16.9 fl. ounces - 80% = 3.38, so if we take 16.9 and subtract 3.38, we get 13.52 which would be how much Andre drank