**Why do some posts require only one vote to handle:**
![enter image description here][1]
![enter image description here][2]

**While others require multiple votes?**
![enter image description here][3]
![enter image description here][4]

(All of these examples are from the Low Quality queue.)

  [1]: https://i.sstatic.net/FTWYW.png
  [2]: https://i.sstatic.net/4XqTZ.png
  [3]: https://i.sstatic.net/rghiP.png
  [4]: https://i.sstatic.net/o92Rx.png