A limousine company charges a fixed cost for a limousine and an hourly rate for it’s driver. It cost $500 to rent a limousine for 5 hours and $800 to rent a limousine for 10 hours. What is the fixed cost, in dollars, to rent the limousine.

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.