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[" In a school,the ratio of boys and gir...

[" In a school,the ratio of boys and girls is "4:5." When "100" girls leave the school,"],[" ratio becomes "6:7." How many boys are there in the school? "],[" 6.91î be "$94998968" gige "$" Stiffics affere "4:5160606868" 100"$sqrt(8)81" 6"28" ,gourd "]

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