A discount of 20% multiplies the number by 1-.20=.8, so the price is going to be .8p.
Answer:
m = 3
you can look on other apps for slope and it makes it easier because you can see the steps
The correct answer is letter B
216/10 = 21.6 = 22
22 x 3.99 = 87.78
22 x 4.99 = 109.78
216 x 1.00 = $216
87.78+109.78 = 197.56
216 - 197.56 = 18.43
Your profit will be $18.43