1. A long rectangular banquet table has the same number of participants seated on either side and no one sitting at the ends. Banquet participants are all served either a chicken or a fish entree. On one side of the table, 11 people are served chicken and the rest are served fish. On the other side of the table, 5 people are served fish and the rest are served chicken. In all, how many more banquet participants at this table were served chicken than fish?

4. If an eight-inch-square cake serves four people, how many 12-inch-square cakes are needed to provide equivalent servings to 18 people?

3. The gym class is 45% girls. Of the girls, 20% prefer basketball to baseball, and of the boys, 40% prefer basketball to baseball. What percent of the class prefers basketball to baseball?

5. How many hours will a car traveling at 45 miles per hour take to catch up with a car traveling at 30 miles per hour if the slower one starts one hour before the faster car?

6. A student needs at least 95% average to receive a grade of A. On the first three tests the student averages 92%. What is the minimum a student must average on the last two tests to receive a grade of A?

7. What is the largest two-digit number that is divisible by 3 whose digits differ by 2?