Answer
One case of sprite costs 3 dollars, All four cases are $12. You can buy 16 cases of sprite with 48 dollars.
Explanation:
How to get the cost for 1 case:
You have 4 cases of sprite which all four combined costs $12. You divide 12 by 4 and get 3.
How to get the amount of cases of sprite you can buy with $48:
divide 48 by 3 and you get 16. Why 3? Because 3 is the amount per case and 16 x 3 is 48. Thank me later!