There are 2 equal groups of 8 books on a shelf. One group is all Reading books. The other group has 3 Math books and the rest are Science books. How many Science books are there?

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.