Question
In a box, 55% of the files are grey files and the rest are brown and purple files. The number of purple files is four times the number of brown files. What percentage of the files in the box are brown files?
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In a box, 55% of the files are grey files and the rest are brown and purple files. The number of purple files is four times the number of brown files. What percentage of the files in the box are brown files?