Consider the following ratios and state that whether these ratios forms a proportion?
​Case1 - 20 friends to 15 strangers
Case 2 - ​ 4 friends to 3 strangers​
A. Yes
B. No

Part B
Find the ratio of the number of friends in Case 1 to the number of friends in Case 2.
​ Answer:_____________

​Note: Type the answer as shown. Ex: (3:8)