Question
In a school field, 25 of the girls wore vests. After 15 girls who wore vests entered the school field, the percentage of girls who wore vests increased to 60%. How many girls in the school field did not wear vests?
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In a school field, 25 of the girls wore vests. After 15 girls who wore vests entered the school field, the percentage of girls who wore vests increased to 60%. How many girls in the school field did not wear vests?