00:42 – Challenging Word Problems #1
03:58 – Challenging Word Problems #2
07:51 – Challenging Word Problems #3
10:56 – Challenging Word Problems #4
14:03 – Challenging Word Problems #5
16:59 – Challenging Word Problems #6
21:05 – Challenging Word Problems #7
23:37 – Challenging Word Problems #8
26:04 – Challenging Word Problems #9
30:38 – Challenging Word Problems #10