I need help with this idon’t understand
I need an answer quick!

Answer:
4: 18, and 0: 30
Step-by-step explanation:
For the Customers, your subtracting 4, so after 4 is 0.
For the Servings, you are adding 6 after 12 then adding 12 to the 18 where you get 30. (Hope this helps)