Pre-Algebra Examples

Step 1
The surface area of a box is equal to the sum of the areas of each side of the box.
Step 2
Substitute the values of the length , the width , and the height into the formula.
Step 3
Simplify each term.
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Step 3.1
Multiply .
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Step 3.1.1
Multiply by .
Step 3.1.2
Multiply by .
Step 3.2
Multiply .
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Step 3.2.1
Multiply by .
Step 3.2.2
Multiply by .
Step 3.3
Multiply .
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Step 3.3.1
Multiply by .
Step 3.3.2
Multiply by .
Step 4
Simplify by adding numbers.
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Step 4.1
Add and .
Step 4.2
Add and .
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