Solve this problem.
1. Suzie slices her apple pie in half, turns it 90 degrees and slices it in half again. How many slices does she have now?

2

3

1

4

5
2. Five friends get together. Each friend has three toothpicks. They put all their toothpicks into one pile. How many toothpicks total are in the pile?

15

10

13

20

18