Question
Jeremy has a total of 40 of yellow and black pens. 14 of the yellow 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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Jeremy has a total of 40 of yellow and black pens. 14 of the yellow 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?