Respuesta :

Answer:

Katie drinks 56 cups (3.5 gallons) of water in one week.

Step-by-step explanation:

16 - 0.5 (1/2) = 0.5 (1/2)

16 - 1/2 = 8

8 x 7 days (1 week)

= 56 cups

Katie drinks 56 cups (3.5 gallons) of water in one week.