The cost of one ounce of soup will be $0.20
Explanation
A carton of milk containing 12 cans of soup costs $38.40 and each can weighs 16 ounces.
So, the total weight of 12 cans of soup [tex]=(16*12)ounces=192 ounces[/tex]
That means, the cost of 192 ounces of soup is $38.40
Thus, the cost of one ounce of soup [tex]=\frac{38.40}{192}=0.20[/tex] dollar.