Question
In a box, 40% of the files are purple files and the rest are black and pink files. The number of pink files is four times the number of black files. What percentage of the files in the box are black files?
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In a box, 40% of the files are purple files and the rest are black and pink files. The number of pink files is four times the number of black files. What percentage of the files in the box are black files?