A carnival costs $10.50 to enter plus an additional $3.50 per ticket for rides and food.

Part A
Complete the table.
Number of Tickets Ticket Cost Entrance Fee
Total Cost
4 $
$
$

7 $
$
$

10 $
$
$

12 $
$
$

Part B
Write an algebraic expression to represent the total cost for a visit to the carnival. Let n represent the number of tickets purchased.


Part C
What is the total cost to visit the fair if you purchase 20 tickets? Explain your reasoning.