I think you're right. I'm in pre-algebra, and sucks at it. Yet, I keep a A.
This ratio in fraction form is 10/9
Answer:
30 % off
Step-by-step explanation:
12 dollars off of 40
40 (x) = 12
x = 12/40 = .3 or 30 %
So now its

but you want it in y=mx+b so
add x to both sides so that you have y on its own
so now it's