Answer:
16 students got an A
Step-by-step explanation:
Set up an equation to compare the ratio to the scores:

Cross multiply:
80 = 5x
Divide each side by 5:
x = 16
Now, check if 
16/8 = 2
40/8 = 5
The ratios are the same! Therefore, 16 students got an A!
Hope this helps! Feel free to contact me if you have any questions :)
63/84 divided by 21/21
=3/4
or
63 divided by 84=0.75 which is the same thing as 3/4
Answer: 33/3
Step-by-step explanation:
I don't know the question is weird but it probably is 33/3