The ratio 9:7 gives you following statement:
- Carl will win in 9 cases from 9+7=16;
- Carl will lose in 7 cases from 16.
Then the probability that Carl will lose is

Answer: 
Correct, I am not sure it that was the answer you were looking for
You just multiply the numbers and if it’s less than that number you it it in the bud hood this helps!
It would be Y=2 as it's a horizontal line at y=2
|RZ|=0.5|SW| therefore 2|RZ|=|SW|.
5x - 20 = 2 · 30
5x - 20 = 60 |add 20 to both sides
5x = 80 |divide both sides by 5
x = 16