Could someone answer this pls thank u

Given:

The area model.

The area of the shape is 82 square units.

To find:

The correct equation for the given situation.

Solution:

We know that, area of a rectangle is

The figure is divided into 3 rectangles. Using this formula, the area of each rectangle is

Now, the total area is equation to 82 square units.

Since the required equation is , therefore, the correct option is C.