3
Step-by-step explanation:
2 tickets
a + c = 5
9a + 4c = 30
let a = 5-c
substitute:
9(5-c) + 4c = 30
45 - 9c + 4c = 30
45 - 5c = 30
-5c = -15
c = 3
a = 2
answer: plz give a pic and answer choices so i can answer!
step-by-step explanation: