The answer would be 1/3 because if you divide 4 divided by 4 it's 1 and 12 divided by 4 is 3!
It’s should be something like negative 7or 8
Subtract x from both sides so the answer would be; Y=-x+r
She will make 23,000 dollars because 15% of 20,000 is 3,000 dollars, add 3000 to 20000 and you get 23,000. Hope this helps!