Jesse filled his car with 8 gallons of gas and it cost $22 the cost to fill your gas tank varies directly with the number of gallons you purchase . how many gallons of gas did a person purchase if their cost was $41.25 ?

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.