abelxoconda abelxoconda

23-03-2019
Mathematics

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A rectangle has a length of (2w + 7) feet and a width of (w + 5) feet. Find the possible values of w for the perimeter of the rectangle to be at least 72 feet.

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Kamikazeminem Kamikazeminem

23-03-2019

[tex]We \: have \: an \: inequality: 2(2w + 7 + w + 5) \geqslant 72\\ \Leftrightarrow 3w + 12 \geqslant 36\Leftrightarrow 3w \geqslant 24\Leftrightarrow w \geqslant 8[/tex]

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