4gallons of paint are used to paying 25 chairs if each chair used the same amount of paint how many gallons are used to paint each chair between what two whole numbers does my answer lie between

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.