Question
Brandon has a total of 25 of white and black pens. 13 of the white pens and half of the black pens are new. How many of his black pens are new if he has a total of 11 new pens?
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Brandon has a total of 25 of white and black pens. 13 of the white pens and half of the black pens are new. How many of his black pens are new if he has a total of 11 new pens?