Final answer:
The width of the cardboard is half of its length.
Step-by-step explanation:
In order to find the width of the cardboard, we need to determine one of the dimensions of the rectangle. The problem tells us that the width is Question Image of the length. This means that the width is half of the length. Let's say that the length of the cardboard is L meters. Therefore, the width of the cardboard would be L/2 meters.