Question
In a hall, 910 of the boys wore glasses. After 600 boys who wore glasses left the hall, the percentage of boys who wore glasses decreased to 30%. How many boys in the hall did not wear glasses?
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In a hall, 910 of the boys wore glasses. After 600 boys who wore glasses left the hall, the percentage of boys who wore glasses decreased to 30%. How many boys in the hall did not wear glasses?