Lizzy: At a pool party, there are 4 pizzas cut into 12 slices each. If the guests eat 39 slices, how many slices are left?.
Me: Hmmm, let me think. I think this is the detailed solution:
There's a total of 4 x 12 = 48 slices. After the guests eat, there are 48 - 39 = 9 pieces. Final answer: 9.