Respuesta :

The answer is 30 nails. 

Answer: There are 30 nails in 2.5 pounds.

Step-by-step explanation:

Given : The weight of 1 dozen nails = 1 pound

We know that 1 dozen has 12 units .

It mean the weight of 12 nails = 1 pound

Or we can write ,

The number of nails in 1 pound = 12

Then, the number of nails in 2.5 pounds =[tex]2.5\times12=30[/tex]   [Using multiplication operation]

Therefore , there are 30 nails in 2.5 pounds.