Employee: "We have a promotion that will allow us to beat our competitors' prices and save you money. Did you notice that our competitor is selling that same item for $150.00? Customer: "Yes"
Employee: "Our price for that item is $120.00, for a savings of ."10% 15% 20% 30% 40%

20%

Step-by-step explanation:

120 / 150 = 0.8 or 80%, so the difference is 20%

it would open into a square depending on the type of envelope i’m not sure about the second part

step-by-step explanation:

for exempl this   system of equations   y = x - 3

                                                                y = 2x - 5

look   the line : y = x -3     ( red)

                            the line : y = 2x -5 ( bleus)