EASY MATH PLEASE HELP! : ) NO LINKS PLEASE!
EXPLANATION REQUIRED!

Kay has three pieces of luggage on to take on the trip. The total amount of luggage is 52.5 kg. One piece weighs 37. 9 kg. How much do each of the other pieces weigh if they are the exact same weight? (HINT: ITS NOT A)

A) 14.6 kg
B) 7.3 kg
C) 21.9 kg
D) 39 kg

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.