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Marianne wants to build a walkway around her rectangular garden. The width of her garden is one-third the length. The perimeter of Marianne’s garden is 40 feet. What is the length and width of her garden?

Respuesta :

Since3122015
[tex]w=\frac{1}{3}l\\P=2l+2w=40\\l+w=20\\l+(\frac{1}{3}l)=20\\\frac{4}{3}l=20\\l=15\\\\w=\frac{1}{3}(15)\\2=5[/tex]

Length = 15
Width = 5

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