Question 1095257
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Let W be the width (in feet).

Then L = 2W feet, as the condition says.


Perimeter = L + W + L + W = 2W + W + 2W + W = 6W = 84  feet =======>  W = {{{84/6}}} = 14 feet.


L = 2*14 = 28 feet.


<U>Answer</U>.  L = 28 feet,  W = 14 feet.
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