Respuesta :

5/16 because there are 16 cups in a gallon so you make a fraction and simplify it if possible which in this case is not.
bcalle
1 gallon = 128 ounces
1 cup is 8 ounces
5 cups = 5*8= 40 ounces
40/128 = 5/16
5 cups is 5/16 of a gallon