Only one correct answer. at the local movie theater, adult tickets cost $9 and children’s tickets cost $5. what would be the best choices for variable(s) when writing an equation for the cost of attending the movies? a. t would represent the number of tickets b. x would represent the number of adult tickets, and y would represent the number of children’s tickets c. a would represent the number of adult tickets, and c would represent the number of children’s tickets d. c would represent the cost of both tickets