Hello:
<span>Contains the point (3, -8) and is parallel to the y axis the equation is : x=3</span>
2400 + 100x = 2200 + 120x
2400 - 2200 = 120x - 100x
200 = 20x
200/20 = x
10 = x <== they would have to sell 10 systems
It would be 709 if u add them up
Answer:
B or D would be the best options for this question