Sarah used 2.5 cups of cheese in a dish that serves 10 people. Many used 1.6 cups of cheese ina dish that serves 8 people. How much cheese is in one serving of Sarah's dish?

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.