On the first day of summer break, Lisa and her friends go to the theater to see the latest action movie, Dark Emperor: Fist of Vengeance. After Lisa buys a ticket, she also buys a bucket of popcorn and a soda for $9. 75. In all, Lisa spends $20. 75 at the movie theater. Which equation can you use to find the cost c of Lisa's ticket?
Solve this equation for c to find the cost of Lisa's ticket. Dollars