Answer:
9 : 22
12 : 45
15 : 55
18 : 77
9:33 and 30:110
Step-by-step explanation:
Equivalent ratios are ratios that can be simplified to get the same ratio.
For instance, 9:33 is an equivalent ratio because when you divide both sides by 3, you get 3:11. 30:110 also works.