Akim runs 1.75 miles on his first day of training for a road race. the next day, he increases his distance run by 0.25 miles. the day after that, he increases his distance run by another 0.25 miles, and so on. what is the total number of miles akim runs over the course of 18 days?

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.