Question
There are some pupils in the zoo. 310 of them are girls, of whom 70% of them do not wear watches. 47 of the boys do not wear watches. What is the percentage of the pupils in the zoo who wear watches?
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There are some pupils in the zoo. 310 of them are girls, of whom 70% of them do not wear watches. 47 of the boys do not wear watches. What is the percentage of the pupils in the zoo who wear watches?