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TIL Identify each pair of ratios. Write A if they form a proportion and B if it is not.

16. 1:2, 2:3
17. 6:8, 3:4
18. 2:5,4:10
19. 5:6, 9:8
20. 3:9, 1:3

Plsssss answer ng maayos salamat po. ​