Answer:
$0.41
Explanation:
To find the price per cup of milk, we first need to know how many cups are in a 3-quart carton.
1 quart is equivalent to 4 cups, so a 3-quart carton contains:

Now, we can calculate the price per cup by dividing the total price by the number of cups:

Therefore, the price per cup of milk is $0.41.