The answer is 0.1538461538 but you round it to the nearest tenth that gives you 0.2
X = 5
Move the variable then cells to like terms and simplify
The surface area of the box will be 112 in²
Explanation
According to the given diagram, the shape of the box is Right Rectangular prism.
The formula for the surface area is :
, where
length,
width and
height of the rectangular prism
Given in the diagram that, 
So, plugging the values into the formula...

So, the surface area of the box is 112 in²