5. Today, everything at a store is on sale. The store offers a 25% discount. A. The regular price of a T-shirt is $20. What is the discount price?
B. If the regular price of an item is x dollars, what is the discount price in dollars?
C. The discount price of a hat is $10. What is the regular price?

Juanita wade's new car has an msrp of $28,902.11 including title and processing fees. the premier package which includes surround sound and dvd player costs three times the amount of the in-style package which includes leather seats and select wheels. the total cost of her new car was $34,290.08 which included the 6.5% sales tax. find the cost of the premier package to the nearest cent.