Respuesta :

Answer:

30 students

Step-by-step explanation:

first you need to find out what 5% is.

5% of 120=6 students

10%=12 st

15%=18 st

20%=24 st

and finally 25%=30 st

os simply u can just multiply 6 by 5 and you get 30 students

120 divided by 4(25%) is 30 so the answer is 30 students got an A