A bookstore is putting together a gift basket of 11 books for a silent auction prize. They would like to include 7 fiction books and 4 non-fiction books from the best-seller list. Right now, there are 15 fiction books and 10 non-fiction books on the best-seller list. Tony thinks that 257 254 is the correct way to find the number of gift baskets. Jenny thinks that 157 + 104 is the correct way to find the number of gift baskets. a) Both Tony and Jenny are incorrect. Explain each of their mistakes. /2 b) Correctly determine the number of gift baskets that can be made