So the graph that represents y=1/4x-3 is the first graph because it intersect at -3 and it "rises" 1 and "runs" 4
That represents an easy direct division, we divide:
$22.85 / 17 boxes = 22.85/17
= 1.34 dollars per box of crayon
that is the cost
I was just in the same situation, you got this. the answer is A.