You and your friend are selling tickets to a charity event. You sell 9 adult tickets and 13 student tickets for $212. Your frien
d sells 4 adult tickets and 15 student tickets for $168. What is the cost of a student ticket?
$__
1 answer:
Answer:
8$ a ticket
Step-by-step explanation:
X=adult tickets
Y=student tickets
(9x+13y=212)*4= 36x+52y=848
(4X+15y=168)*9= 36x+135y=1512
subtract both equations -83y=-664
divide by -83 y=8
student tickets cost $8
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