One, unless there's more to this question that states that he gets more flour or something
Answer = 8
Because:
c(c + 3) - c(c-4) = 9c - 16
c^2 + 3c - c^2 + 4c = 9c - 16
3c + 4c = 9c - 16
7c = 9c - 16
7c + 16 = 9c
16 = 2c
8 = c
Answer:

Step-by-step explanation:
we have

Remember that

and

substitute

Answer:
first option bc its a lot more cheaper than the 2nd option