Kim's dog weighs 8 pounds. Since 1 pound is 16 ounces, Kim's dog weighs 8 × 16 ounces = 128 ounces. As a puppy, Kim's dog <span>weighs 15 ounces. So, the weigh that Kim's dog gained is subtraction of 128 ounces and 15 ounces: 128 ounces - 15 ounces = 113 ounces.
</span><span>Therefore, Kim's dog gained 113 ounces.</span>
