Respuesta :
Answer: 12 more cups.
Explanation: There is 16 cups in a gallon, and Katie has 4 already. 16-4=12, so Katie needs 12 more cups to get a gallon of milk.
Explanation: There is 16 cups in a gallon, and Katie has 4 already. 16-4=12, so Katie needs 12 more cups to get a gallon of milk.