There are 6 racks that have at least 30 ties but fewer than 40 ties
| Rack | Ties |
| 1 | 28 |
| 2 | 32 |
| 3 | 35 |
| 4 | 39 |
| 5 | 29 |
| 6 | 42 |
| 7 | 31 |
| 8 | 27 |
| 9 | 38 |
| 10 | 33 |
There are 6 racks that have at least 30 ties but fewer than 40 ties.
Question:
Ties per rack The employee at the department store counted the number of ties on each tie rack. How many racks have at least 30 ties but fewer than 40 ties?