Answer:
pounds.
Explanation:
We have been given that an object that weighs 1 pound on Earth weighs only 0.17 pound on the moon. Zack's dog weighs 17 1/2 pounds on earth.
First of all, we will find weight of Zack's dog on moon as:
Now, we will subtract the weight on Zack's dog on moon from its weight on earth as:

Therefore, the weight of Zack's dog is
pounds more on earth than moon.