(I'm going to use brackets as my absolute value bars lol)
[5 x -3]
[-15]
=15
It might be c. im not really sure, but that's what I got. sorry if its wrong...
Answer:
81x + 4913x + 676x + 10x + 12 / 9
X=5692 /9
X=632.444
She will earn $2,000 fees for the 4 cars that she sold.