Given that a “12-inch pizza” means circular pizza with a diameter of 12 inches, changing from an 4-inch pizza to a 12-inch pizza gives you approximately what percent increase in the total amount of pizza? Options
A) 330	B) 500	C) 670	D) 800	E) 125
area of 4 inch pizza= 2*2*pi=4 pi   area of 12 inch pizza =6*6*pi=36 pi   32/4*100= 
<gadget id="calculator">32/4*100</gadget>
<output>800</output>
800% increase   hence answer is 800
<result>D</result>
Given that a “12-inch pizza” means circular pizza with a diameter of 12 inches, changing from an 4-inch pizza to a 12-inch pizza gives you approximately what percent increase in the total amount of pizza?