Answer:
Midnight will eat 1 more cup of dog food per day than Rusty.
Explanation:
Rusty:
- eats 3 cups of dog food per day
- drinks 4 cups of water per day
- takes a bath twice a month
Midnight eats 28 cups / 7 days = 4 cups of dog food per day.
Midnight will eat 4 - 3 = 1 more cup of dog food per day than Rusty.