Ms. Hollmann’s class goes on a field trip to the planetarium with Mr. Fiore’s class. The number of students in each class is shown in the picture graphs below. 3. How many fewer boys are on the trip than girls? Answer 3: 4. It costs $2 for each student to attend the field trip. How much money does it cost for all students to attend? Answer 4: 5. The cafeteria in the planetarium has 9 tables with 8 seats at each table. Counting students and teachers, how many empty seats should there be when the 2 classes eat lunch? Answer 5: