$\"\"$

The formula for area of the rectangle is $\"\"$ , where l is length and w is width.

$\"\"$ (Write the formula)

$\"\"$ (Substitute $\"\"$ )

$\"\"$ (Apply distributive property: $\"\"$ )

$\"\"$ (Multiply: $\"\"$ )

The area of the rectangle is $\"\"$ square units. $\"\"$

The area of the rectangle is $\"\"$ square units.