A rectangular window is twice as long as it is wide. If its perimeter is 18 feet, then what are its dimensions in feet?	Pick: A) 3/2 by 7/2 B) 5/3 by 10/3 C) 2 by 4 D) 3 by 6 E) 10/3 by 20/3
Let x be the width of the window. Then the length is 2x.   x+2x+x+2x = 18   6x = 18   x = 18/6= 
<gadget id="calculator">18/6</gadget>
<output>3</output>
3   The width is 3 and the length is 6.   The answer is 3 by 6.
<result>D</result>
A rectangular window is twice as long as it is wide. If its perimeter is 18 feet, then what are its dimensions in feet?