###Human: Cassie is an athletic person and tries to drink at least 12 cups of water a day to stay hydrated while being active. Her water bottle holds 16 ounces. There are 8 ounces of water in a cup. How many times does Cassie have to refill her water bottle a day to make sure she drinks 12 cups?, ### Assistant: Cassie needs to drink 8 * 12 = 96 ounces of water to drink 12 cups a day.
Thus, Cassie needs to refill her water bottle 96 / 16 = 6 times a day. 
 So the answer is :  6