Answer:
John will get 16 3/4 pounds-units of dog food.
Explanation:
The total amount of portions of dog food is obtained by dividing the total amount of dog food, measured in pounds, by the amount of dog food per portion, measured in pounds per unit:
![n = (12\,pd)/(0.75\,(pd)/(unit) )](https://img.qammunity.org/2021/formulas/mathematics/high-school/whg6ygti7ju6jdpcyj6fi41vdfkie2c6ca.png)
![n = 16\,units](https://img.qammunity.org/2021/formulas/mathematics/high-school/hver78id2feth4r79gkar0n0652v1lnnni.png)
John will get 16 3/4 pounds-units of dog food.