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To calculate the square footage of a rectangular area (like a wallpaper), you multiply the length by the width.
For your measurements:
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48 inches in length
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4 inches in width
First, convert the width to feet since square footage is commonly measured in square feet:
4 inches = 4/12 feet (since 12 inches = 1 foot)
So, 48 inches (length) * (4/12) feet (width) = 48 * (1/3) = 16 square feet.
Therefore, a wallpaper that is 48 inches in length and 4 inches in width covers approximately 16 square feet.
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