What 1 A. Solve for the missing term. 1. 8: n = 6:9 2. n: 21 = 2 : 7 3. 5:6 = n: 24 4. n: 30 = 2:6 5. 2:3 = 14:n B. Choose the letter of the ratio that will make a proportion. 1. 2 : 4 2. 3 : 7 3. 7 : 2 4. 4:10 5. 18:6 a. 4 : 16 a. 9:21 a. 3:1 a. 5:6 a. 5:1 b. 12 : 24 b. 3 :14 b. 21 : 7 b. 2 : 5 b. 3:1 c. 3:15 c. 4:7 c. 14:4 c. 3:4 c. 4:3 C. Put a check (/) if the proportion shows direct proportion and put a cross (x) if it does not.