For dinner last night a family ordered 4 pizzas and 3 liters of soda. The total cost of the dinner was $127.50. Let p be the price of one pizza and let s be the price of one soda . Which of the following equations represents this scenario?

y=mx+b

step-by-step explanation:

m slope, b y-intercept

5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10