Answer: The total cost to order 12 tickets is $378.05
Step-by-step explanation:
Let y represent the cost for x number of tickets.
Since the cost for 5 tickets is $174.45, it can be represented by the point (5, 174.45).
The cost for 8 tickets is $271.95, it can be represented by the point (8, 271.95).
y = 32.5x - 11.95
The cost for 12 tickets is:
y=32.5(12) - 11.95 = 378.05
Hence the total cost to order 12 tickets is $378.05