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Mr. Santos is carpeting his living room. The room measures 21 feet by 15 feet. The carpeting costs $9 per square foot. How much carpeting will he need (in square feet), and how much will it cost?

Respuesta :

21*15=315 sqft
315*$9=2,835

Answer: 315 square feet is needed for carpeting and It costs $2835.

Step-by-step explanation:

Since we have given that

Length of room = 21 feet

Width of room = 15 feet

As we know the formula for "Area of room ":

[tex]Area=Length\times Width\\\\Area=12\times 15\\\\Area=315\ ft^2[/tex]

Hence, 315 square feet is needed for carpeting.

Cost of per square foot of carpeting = $9

Total cost will be

[tex]9\times 315\\\\=\$2835[/tex]

Hence, it costs $2835.


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