Question
In a parade square, 38 of the pupils wore caps. After 154 pupils who wore caps left the parade square, the percentage of pupils who wore caps decreased to 10%. How many pupils in the parade square did not wear caps?
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In a parade square, 38 of the pupils wore caps. After 154 pupils who wore caps left the parade square, the percentage of pupils who wore caps decreased to 10%. How many pupils in the parade square did not wear caps?