This is how i worked it out.
Good Luck
the answer is C.
12a -18s =36
(12 adult tickets= 12a) - (18 student tickets =18s) =$36
Answer:
For D I believe it would be 6
Step-by-step explanation:
I believe 6 because is you do 108÷18 you get 6 and then it would be 6/108 = 7/18 which is true.
Might not be correct and I don't know the others sorry!