Question
In a parade square, 47 of the pupils wore cardigans. After 102 pupils who wore cardigans left the parade square, the percentage of pupils who wore cardigans decreased to 45%. How many pupils in the parade square did not wear cardigans?
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In a parade square, 47 of the pupils wore cardigans. After 102 pupils who wore cardigans left the parade square, the percentage of pupils who wore cardigans decreased to 45%. How many pupils in the parade square did not wear cardigans?