Answer
$C = \frac{n~(n-1)}{2}$
Work Step by Step
In an election with $n$ candidates, the number of comparisons, C, that must be made is determined by the formula $C = \frac{n~(n-1)}{2}$
Thinking Mathematically (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0321867327
ISBN 13:
978-0-32186-732-2
Chapter 13 - Voting and Apportionment - 13.1 Voting Methods - Concept and Vocabulary Check - Page 849: 4
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