alg 1
posted by darlena .
the length of a rectangular garden is 8 feet longer than the width. The garden is surrounded by a 4foot sidewalk. the sidewalk has an area of 320 square feet. find the dimensions of the garden.
please help

alg 1 
Steve
the garden is w by w+8, so the sidewalk has area
2(4w+4(w+8))+4*4^2 = 320
w = 12
The garden is 12x20
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