Jack, 25 lbs, gets 1 cup of kibble, split into two meals. He also gets a bit of canned or premade raw mixed in, with a raw egg a couple times a week.
Missy, 75 lbs, gets 3 cups of kibble, also split into two meals. She gets her breakfast plain, but her dinner usually has something extra - premade raw, a raw egg, canned, etc.