Question

Find the surface area of the prism. Write your answer as a fraction or mixed number.

Answer 1

That's a cube.  Each face has surface area

$S = \frac 2 3 \times \frac 2 3 = \frac 4 9$

Our total surface has six faces,

$A=6S = 6(4/9) = \dfrac 8 3$

Answer: 8/3 square feet, which is as a mixed number is 2 2/3 sq ft.