Question
Carl has a total of 56 of grey and blue files. 14 of the grey files and half of the blue files are new. How many of his blue files are new if he has a total of 17 new files?
4 m

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Carl has a total of 56 of grey and blue files. 14 of the grey files and half of the blue files are new. How many of his blue files are new if he has a total of 17 new files?