If lexie wants to drink 8 cups of water a day and she sees water bottles that has 20 oz of water in it how many bottled water does lexi need to drink for her to meet her goal of 8 cups of water?

A cup contains 8 fluid ounces. Therefore, 8 cups would have 64 fluid ounces. Divinding 64 by 20 fluid ounces would equal to 3.2. So, Lexie would need to drink 3.2 water bottles to meet her goal of drinking 8 cups of water.