Please help. I’ll mark you as brainliest if correct
![Please help Ill mark you as brainliest if correct class=](https://us-static.z-dn.net/files/dd9/cccd87febb01a9c61ed79f6c56e944e4.png)
This is because the number line has a arrow marking every number before twenty, while having an open circle in twenty's place. This means that the number line signifies every number below the value of twenty, so x<20