Answer
X= -0.5
Y=2
If you need me to explain I can.
Replace the words with what you know
(Original cost)(6%)=5.25
(Original cost)(0.06)=5.25
(original cost)=5.25/0.06=87.5
No
X would have to equal 6 or greater as if x was 5
5+3 is the same as 8
If Susan had 2$ and got to 12$ we need to find what multiplied by 2 = 12. So, 12/2=6
If 6x2=12 then 11x6=66
66$
I think B. Don't question me about it tho.