Number of Tickets Total Cost 1 $2.50 2 ? 3 $7.50 4 ? 5 $12.50 6 $15.00 7 $17.50 Assuming that the cost of tickets follows the sa
me pattern as the number of tickets increases, find the values that are missing from the table and determine the total cost of nine tickets. The cost of two tickets is , the cost of four tickets is , and the cost of nine tickets is . NextReset
