The problem statement tells you 42c represents the amount of ink in "a number of cartridges." You know that 42 is the number of ounces of ink in each cartridge.
c represents the number of cartridges.
Answer:
It represents the number of cartridges.
Explanation:
We know that 42 is the amount of ounces in each cartridge of ink. Multiplying this by c, we get the amount of ink in a number of cartridges. Since 42 is the amount of ink, this means c must be the number of cartridges.
