2. 1. Which of the following is NOT a form of expressing a ratio? A. 2 boys is to 3 girls C. 100 families 3. B. 12 apples : 20oranges D. 4 pencils 10 notebook 2. What is the equivalent ratio of 3:7? A. 3:9 B. 6:10 C. 9:21 D. 18:49 or ti 3. In a class there are 20 boys and 15 girls. Give ratio of boys to girls. A. 4:3 B. 3:4 C. 4:5 D. none of the above 4. Give the ratio of the following rate. 1 day to 80 hours: A. 2:9 B. 3 : 10 C. 4: 5 D. 1:4