Answer:
I believe the correct answer would be 16.
Explanation:
There are 2 cases of golf balls that hold 12 boxes of 12 balls.
12(12) + 12(12) = 288
You need to find how many cases Joan can buy to equal the amount of 288 balls.
18(x) = 288
I simply divided 288 by 18 to get the answer of 16.
x = 16