Question
In a parade square, 78 of the boys wore sweaters. After 744 boys who wore sweaters left the parade square, the percentage of boys who wore sweaters decreased to 10%. How many boys in the parade square did not wear sweaters?
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In a parade square, 78 of the boys wore sweaters. After 744 boys who wore sweaters left the parade square, the percentage of boys who wore sweaters decreased to 10%. How many boys in the parade square did not wear sweaters?