Question
In a hall, 34 of the girls wore vests. After 36 girls who wore vests left the hall, the percentage of girls who wore vests decreased to 30%. How many girls in the hall did not wear vests?
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In a hall, 34 of the girls wore vests. After 36 girls who wore vests left the hall, the percentage of girls who wore vests decreased to 30%. How many girls in the hall did not wear vests?