If a 5 cm cube is cut into 1 cm cubes, then what is the percentage increase in the surface area of the resulting cubes? Pick:	A) 100%	B) 200%	C) 300%	D) 400%	E) 500%
The area A of the large cube is 5*5*6= 
<gadget id="calculator">5*5*6</gadget>
<output>150</output>
150 square cm.   The area of the 125 small cubes is  125*6= 
<gadget id="calculator"> 125*6</gadget>
<output>750</output>
750= 5A, an increase of 400%.   The answer is 400%.
<result>D</result>
If a 5 cm cube is cut into 1 cm cubes, then what is the percentage increase in the surface area of the resulting cubes?