Mary's dog weighs 25 pounds how many ounces does the dog weigh remember there are 16 ounces in a pound

To convert pounds to ounces, you need to multiply the weight in pounds by the conversion factor of 16 (since there are 16 ounces in a pound).

Therefore, Mary's dog weighs 25 pounds * 16 ounces/pound = <<25*16=400>>400 ounces.