Question
There are some students in the school hall. 310 of them are boys, of whom 30% of them do not wear glasses. 27 of the girls do not wear glasses. What is the percentage of the students in the school hall who wear glasses?
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There are some students in the school hall. 310 of them are boys, of whom 30% of them do not wear glasses. 27 of the girls do not wear glasses. What is the percentage of the students in the school hall who wear glasses?