C represents the number of four-packs of cartridges because the question says there are 4 pack of 42 ounceink cartridges that sell for 85.99...If you were ever to create an equation with this it would be 42c = 85.99
And you can plug in 4, 8, or 16 for c and check how much they would cost over all...your welcome, have a great day
Answer:
0.16
Step-by-step explanation:
I believe the correct answer from the choicesl isted above is the third option. The equation that represents a proportional relationship would be <span>y = 3x + 7. THey are proportional since as the value of y increases, the x would increase as well. Hope this answers the question. Have a nice day.</span>