Answer:
B. Student tickets cost $2 and Adult cost
$4.50. After 8 tickets were sold, the
amount of money collected was $23.50
Explanation:
x+y = 8 means we have 8 things
2*x + 4.50y = 23.50
The first item costs 2 dollars each and the second item costs 4.50 each and the total costs for all items bought is 23.50