The area of a rectangular piece of cardboard is 36 sq cm and its length is 9 cm. What is the width of the cardboard?

Explanation

To find the width of the rectangular piece of cardboard, we can use the formula for the area of a rectangle, which is:

\[ \text{Area} = \text{Length} \times \text{Width} \]

Given:
- Area = 36 sq cm
- Length = 9 cm

...