Answer: There were: 3,592 "no" votes.
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Explanation:
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3n : 4n = 6286 ; 3n + 4n = 7n = 6286 ; 7n = 6286 ; 7n / 7 = 6286 / 7 ;
n = 898 ;
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Number of "no" votes = "4n" = 4*(898) = 3592 .
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