If the number of two events happened are 'a' and 'b' then the ratio of both the events will be a : b.
By this rule ratio of the number of voting to skating rink and the votes for bowling will be 30 : 13
Number of votes for the bowling alley = 13
Number of votes for the skating rink = 30
Therefore, ratio of the number of votes for the skating to the number of votes for bowling will be 30 : 13
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