Question
In a school field, 45 of the pupils wore sweaters. After 385 pupils who wore sweaters left the school field, the percentage of pupils who wore sweaters decreased to 45%. How many pupils in the school field did not wear sweaters?
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In a school field, 45 of the pupils wore sweaters. After 385 pupils who wore sweaters left the school field, the percentage of pupils who wore sweaters decreased to 45%. How many pupils in the school field did not wear sweaters?