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