| Hint | Answer | % Correct |
|---|---|---|
| 10-4-2= | 4 | 99%
|
| 20-15= | 5 | 99%
|
| 39-19= | 20 | 96%
|
| 66-55= | 11 | 94%
|
| 10-8= | 2 | 82%
|
| 20-19= | 1 | 79%
|
| 99-33= | 66 | 74%
|
| 64-18= | 46 | 72%
|
| 66-54= | 12 | 65%
|
| 39-13= | 26 | 56%
|
| 24-12= | 12 | 54%
|
| 99-84= | 15 | 41%
|
| 200-180= | 20 | 39%
|
| 300-150= | 150 | 33%
|
| 23-9= | 14 | 24%
|