A four-pack of 4242-ounce ink cartridges sells for $85.99$85.99. The expression 42c42c represents the amount of ink in a number of cartridges. What does the variable cc represent?

A. The amount of ink in a four-pack

B. A number of cartridges

C. The cost of each four-pack

D. A number of four-packs of cartridges

The variable cc refers to how much ink is in a certain number of cartridges. If the box says 42cc, that means the amount of ink in those particular cartridges is 42. If a box said 12cc, the amount would be 12. The variable cc just states the amount of ink you can expect from a particular amount of cartridges.