11. Which shows direct proportion?
A.9:12 = 9:15
B.9 : 18 = 15:30
C. 9: 18 = 15:30
D. 9:20 = 15:10
12. Which shows the true statement about proportion?
A The product of the means is not always the same.
B.There is an equality between quantities.
C.There is ratio and extreme
D. There is ratio and means
II. Put a check if the pair of ratios are proportion.
13. 2:3 = 6:9
14, 12:21 = 7:12
15. 4 : 10 = 12:30
16. 7:9 = 49: 63
III. Solve for the missing terms.
17. 2 : 4 = n : 12
18. 8: 17 = 24:n
19. 10:12 = 5:n
20. n: 5 = 48: 60


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