Cara and Beejal make a poster for school. The porter is in the shape of a rectangle. The length of the poster measures 7 units; the width of the poster measures 6 units. What is the area in square units of the completed poster?

The area of a rectangle is calculated by multiplying the length by the width.

In this case, the length is 7 units and the width is 6 units.

Therefore, the area of the completed poster is:

7 units x 6 units = 42 square units

So, the area of the completed poster is 42 square units.