Charissa has 3.45 pounds of cat food. She uses 0.23 pounds of food to feed 1 cat. How many cats can she feed?

To find out how many cats Charissa can feed, we need to divide the total amount of cat food she has by the amount of food needed to feed one cat:

3.45 ÷ 0.23 = 15

Charissa can feed 15 cats with 3.45 pounds of cat food.