i just need help on setting up the problem

375 students went to Six Flags over Georgia. Fifteen buses were filled, and 15 students rode with their parents. How many students were on each bus?
A.
20
B.
34
C.
24
D.
30

Question

i just need help on setting up the problem 

375 students went to Six Flags over Georgia. Fifteen buses were filled, and 15 students rode with their parents. How many students were on each bus?
A.
20
B.
34
C.
24
D.
30

anonymous · Answer

375-15 = 360. 
Assuming the buses were filled equally, you do 360 divided by 15. Answer is 24.

anonymous · Answer

ohh okay thanks i think i subtracted wrong