Answer:
Weight of the puppy is 4.5 pounds.
Explanation:
Local store has a puppy weighing 72 ounces.
We have to calculate the weight of the puppy in pounds.
We know 1 pound weight = 16 ounces 
To convert the weight in pounds we will use the unitary method.
∵ 16 ounces weight = 1 pounds
∴ 1 ounce = 
 pounds
 pounds
∴ 72 ounces weight = 

 = 

 = 4.5 pounds
Therefore, weight of the puppy will be 4.5 pounds.