Question

Suppose you want to buy new carpeting for your bedroom. The bedroom floor is a 9 foot by 12 foot rectangle. Carpeting is sold by the square yard. How much carpeting do you need to buy?

Answer 1

12 square yards

Explanation:

The bedroom floor is a rectangle 3 yards by 4 yards, so has an area of ...

(3 yd)(4 yd) = 12 yd²

You need to buy 12 square yards of carpet.

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1 yard = 3 feet