Answer:
16 portions.
Explanation:
John has amount of dog food = 12 pounds
He wants to separate this food for his dogs weighing each portion =
pounds
Let x be the number of portions of dog food.
Then amount of dog food =
pounds
Now we plug in the values in the equation
12 =

x =

=

= 16 portions
There will be 16 portions of the dog food weighing
pounds each.