In an election between two candidates, 20% of the voters on the list did not vote and 500 votes were invalid. The winner got 55% of the valid votes and won by 1,200 votes. How many voters were on the list?
A. 15,000
B. 15,625
C. 15,500
D. 16,000
A. 15,000
B. 15,625
C. 15,500
D. 16,000
Best answer
Answer: B. 15,625
Answer: (B) 15,625
Margin = 55% − 45% = 10% of valid votes = 1,200, so valid votes = 12,000.
Votes cast = 12,000 + 500 invalid = 12,500.
Votes cast are 80% of the list, so the list = 12,500 ÷ 0.8 = 15,625.
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