At 9:00, Paula has x cups of food in a container for her dog. Paula pours a 2 1/2 cup box of fodd into the container. Then she r
emoves 3/4 cup of food to feed her dog. Now there are 5 1/4 cups of food in the container. write an equation that can be used to determine the number of cups, x , of food in the container at 9:00.