Ajuice company sells its product in either a 48-ounce size or a 32-ounce size. it charges $3.90 for the 48-ounce size. how much should it charge for the smaller size if it wants the price per ounce to be 25% more than the price per ounce of the larger size?

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.