<PRE><B>Question 193373</B>
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Let &lt;b&gt;&lt;i&gt;x&lt;/i&gt;&lt;/b&gt; represent the width of the cover.  Then &lt;b&gt;&lt;i&gt;x&lt;/i&gt; + 4&lt;/b&gt; represents the length of the cover.  The area is then the length times the width, using the fairly reasonable presumption that the shape of the cover is a rectangle.


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ A = x(x + 4) = 165]


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ x^2 + 4x - 165 = 0]


Factor and solve the quadratic.  Exclude the negative root because you are looking for a positive measure of length.


John
*[tex \LARGE e^{i\pi} + 1 = 0]
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