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An architect designs a rectangular flower garden such that the width is exactly​ two-thirds of the length. If 220 feet of antique picket fencing are to be used to enclose the​ garden, find the dimensions of the garden.

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The perimeter of this square is 220, so:
2L + 2w = 220
w = 2/3 L
We can input the w:
2(2/3 L) + 2w = 220
10/3L = 220
10L = 660
L = 66
The width is 44
The length is 66
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