Question
In a box, 60% of the pens are brown pens and the rest are red and pink pens. The number of pink pens is four times the number of red pens. What percentage of the pens in the box are red pens?
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In a box, 60% of the pens are brown pens and the rest are red and pink pens. The number of pink pens is four times the number of red pens. What percentage of the pens in the box are red pens?