The cost of one ounce of soup will be $0.20
Step-by-step 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

That means, the cost of 192 ounces of soup is $38.40
Thus, the cost of one ounce of soup
dollar.