Answer:
3. The amount of wallpaper for a wall in a bedroom
Step-by-step explanation:
1. The number of towels I can fit in a bathroom cabinet
<em>No, sounds more like volume, since a cabinet has space inside.</em>
2. The amount of ribbon used to decorate from one end of a room to the another
<em>No, sounds like perimeter, since a ribbon would need to cover space in one direction.
</em>3. The amount of wallpaper for a wall in a bedroom
<em>Yes, wallpaper is applied in 2 directions and lays flat on a surface to cover a certain area.</em>