9. In Mrs. De Vera's class has 32 students, of which 20 are girls. Write the ratio of girls to boys. Write your answer in simplest form. A. 5:3 B. 5:20 C. 20 : 5 D. 20:12 10.. Write at least three equivalent ratio of the given ratio. 3 : 9 A. 5:6, 3:4, 2:3, 1: 5 B. 1:3, 6:18, 9:27, 12:36 C. 3:4, 1:3, 2: 5, 3: 6 D. 1:5, 6:18, 4:20, 5: 25 11. Which of the following is an equivalent ratio of 4/5? A. 12/16 B. 20/25 C. 24/32 D. 24/50 12. What is the ratio of Saturday and Sunday to the days in a week? B. 2:5 C. 5:2 D. 2/4 A. 2 to 7 ri the correct answer if not