Stu is laying brick down to make a patio. He plans for the patio to be 12.5 feet by 18.3 feet. He orders enough brick for 247 square feet. Which statement about the amount of brick is correct?

The exact patio area is 12.5 × 18.3 = 228.75 square feet. Rounding both dimensions up gives 13 × 19 = 247 square feet, so Stu’s estimate is 247 square feet. Since he ordered 247 square feet, he ordered enough brick; the correct statement is that he estimated by rounding up.

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