Question 821005
<pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
The area of a rectangle is 162 feet squared. 
If the length is twice the width {{{green(w)}}}, what is the length? length {{{green(2x)}}}
<img src='http://img585.imageshack.us/img585/479/rectangle.png' border='0'/></a>
Area = lw = (2x)x
       2x^2 = 162ft^2
        x^2 = 81 ft^2
         x = 9 ft the width  (tossing out negative solution for unit measure
The length is {{{highlight(18ft)}}}