Question
In a box, 40% of the pens are silver pens and the rest are brown and blue pens. The number of blue pens is four times the number of brown pens. What percentage of the pens in the box are brown pens?
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In a box, 40% of the pens are silver pens and the rest are brown and blue pens. The number of blue pens is four times the number of brown pens. What percentage of the pens in the box are brown pens?