Question

Tessa designs a supply closet as an addition to her house. The closet is pictured, and its total area is 36 square feet. What is the length in feet of the side of the supply closet labeled with the question mark? fill in the blank

___feet
thank you

Answer 1

Answer: The length of the side of the supply closet is 6 feet

Explanation:

1. We can separate the box into 2 rectangles.

3 x 8 and 2 x y

3 x 8 = 24

2. The whole closet is 36

36 - 24 = 12

3. The area of the 2 x y rectangle is 12

12/2 = 6

So the length of the y side is 6 feet.