Answer:
The "check your answer" probably means check your answer by graphing.
Step-by-step explanation:
3:4
The original ratio between the red and green crayons would be 18:24, but you would need to simplify that to reach your definite simplified answer. Doing this, you find the least common factor between 18 and 24 which is 3 for 18 and 4 for 24.
G. x = 1, x = -2