Four representatives are to be randomly chosen from a committee of six men and six women. How many different 4-representative combinations contain at least one woman?	Choose the most appropriate option
A) 400
B) 415
C) 455
D) 480
E) 495
12*11*10*9/4*3*2*1=11*5*9= 
<gadget id="calculator">11*5*9</gadget>
<output>495</output>
495   Forbidden options   6*5*4*3/4*3*2*1=5*3= 
<gadget id="calculator">5*3</gadget>
<output>15</output>
15   495-15= 
<gadget id="calculator">495-15</gadget>
<output>480</output>
480   ANS:480
<result>D</result>
Four representatives are to be randomly chosen from a committee of six men and six women. How many different 4-representative combinations contain at least one woman?