The length of a rectangle is doubled while its width is tripled. What is the % change in area?  Options
A) 250%	B) 300%	C) 500%	D) 650%	E) 700%
The original area is L*W   The new area is 2L*3W = 6*L*W   2 *3= 
<gadget id="calculator">  2 *3</gadget>
<output>6</output>
6*L*W= L*W + 5*L*W   The area increased by 500%.   The answer is 500%.
<result>C</result>
The length of a rectangle is doubled while its width is tripled. What is the % change in area?