Question 620785
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
<img src="http://upload.wikimedia.org/wikipedia/commons/thumb/d/da/PerimeterRectangle.svg/200px-PerimeterRectangle.svg.png">
A rectangle has a <u>length of 14 inches more than three times its height</u>{{{highlight(x)}}}. 
If the perimeter of a rectangle is 396 inches, find its dimensions.
 P = 2L  + 2H
 P = 2(3x+14) +2x = 396
        8x + 28 = 396
        8x = 368
         x = 46, the height.  The width is 152.
CHECKING our Answer***
  2·46 + 2·152 = 396