Question
Some pencils and files were packed into silver and red packets. There were 12 less red packets than silver packets. Each silver carton contained 8 pencils and each red carton contained 17 files. Given that there were 21 more files than pencils in total, how much files were there?
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Some pencils and files were packed into silver and red packets. There were 12 less red packets than silver packets. Each silver carton contained 8 pencils and each red carton contained 17 files. Given that there were 21 more files than pencils in total, how much files were there?