Which expression has a value of 9.75 when x = 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.

I'm marking the brainliest and it's 15 points

The quotient of 15 and a number is 1 over 3 written as an equation