Question 1131034
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Let W be the width in feet.  Then the length is (3W+11).


The perimeter equation is


    W + (3W+11) + W + (3W+11) = 70    feet.


    8W + 22 = 70

    8W = 70 - 22 = 48


    W = 48/8 = 6 ft     is the width.


Then the length is  3*6 + 11 = 29 ft.      <U>Answer</U>
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Solved.