If 8 boys meet at a reunion and each boy shakes hands exactly once with each of the others, then what is the total number of handshakes  Choose the correct choice:
A) 41
B) 28
C) 43
D) 44
E) 45
n(n-1)/2 =8*7/2= 
<gadget id="calculator">8*7/2</gadget>
<output>28</output>
28   ANSWER:28
<result>B</result>
If 8 boys meet at a reunion and each boy shakes hands exactly once with each of the others, then what is the total number of handshakes