Okay, this is a written proof so what you have to do is list the steps. I am going to try my best to solve this problem...
answer: 20
in the number line, you can see that the dot on 20 is an open circle. this means that it is not included. so 20 could be one of the answers.
- anything greater than 20 would be an answer.
-1.1-1.9, 1.9,1.1,2.1,-3.9,3.-9,-2.-1
Answer:
D
Step-by-step explanation:
It would 75:100
We then can simplify that by dividing by 5 so we get
15:20