There are 14 people in a room. If each person shakes hands with exactly 3 other people, what is the total number of handshakes?  Choices
A) 18	B) 21	C) 35	D) 42	E) 56
Note that each handshake includes two people.   The total number of handshakes is  14*3/2= 
<gadget id="calculator"> 14*3/2</gadget>
<output>21</output>
21   The answer is 21.
<result>B</result>
There are 14 people in a room. If each person shakes hands with exactly 3 other people, what is the total number of handshakes?