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The length of a rectangle is fixed at 10ft what widths will make the perimeter at least 300ft

User NoizWaves
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1 Answer

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if the length is fixed at 10ft, than the perimeter is:
300= 2w + 2(10)
300= 2w + 20
280=2w
w=140 ft
140ft is the minimum width
:)
User Glad To Help
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