Answer:
40%
Step-by-step explanation:
The ratio is 20:50, we can expand to 40:100, so 40%
Answer: Option C. 55
Solution:
The key for a stem-and-leaf plot is:
12 | 5 = 12 5
Stem | Leaf = Stem Leaf
55 | 6 = 55 6
Stem: 55
Leaf: 6