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Back to 11.1 Voting Methods

11.1 Exercise 15

Avg difficulty 2.5

Use the table below, which displays a sample preference summary, to answer the questions that follow.

Number of Ballots 95 90 110 115
Option A 4 4 1 1
Option B 2 2 2 2
Option C 3 1 3 4
Option D 1 3 4 3
  1. Use the ranked-choice voting method to determine the winner of the election.
  2. Use the Borda count method to determine the winner of the election.

OpenStax Contemporary Mathematics, 11.1 Voting Methods, exercise 15

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Adapted from Contemporary Mathematics © 2023 Rice University. Licensed under CC BY 4.0. Source: Contemporary Mathematics. Imported at revision fa7c1a1.