Respuesta :

Answer:

30.76923077 or (approx: 30.77)

Step-by-step explanation:

-has 3 1/4 cups

-drinks 1 cup

(3 1/4-1=2 1/4)

3 1/4=100%               (3 1/4 divided by 1=3.25)

    1  =x%                    (100 divided by 3.25)

Approx 30.77%