Question: To figure out how much your dog weighs,
Options:
step on the scale without your dog. Note your weight. Now stand on the scale while holding your dog.  The difference in weight is how much your dog weighs.
step on the scale without your dog. Note your weight. Now stand on the scale while holding your breath.  The difference in weight is how much your dog weighs.
Answer: step on the scale without your dog. Note your weight. Now stand on the scale while holding your dog.  The difference in weight is how much your dog weighs.