Answer:
d = .4p
Step-by-step explanation:
Discount = original price * discount rate
We know the discount rate is 40%
original price is p
discount = d
d = p*40%
Changing this to decimal form
d = .4p
Start on the y-axis and put a point at 490 bc it the y-intercept and then from there go up 2 and right 3 and put a point there and keep going and to go down you just go down 2 and left 3 and the point it.