Algebra2004 Algebra2004

02-04-2018
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Can a rectangular piece of wrapping paper with an area of 81 square inches have a perimeter of 60? (Hint: Let length=30-w.)

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pat154730 pat154730

03-04-2018

Yes, length=30-w and the area is 81. 81 can be divided by 9, 27, or 3. If we try substituting 3 for w, then the length (30-3=27). So the length is 27, and the width is 3. Area is length times width 27x3=81 squared inches.

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