Question
Ken has a total of 56 of green and purple pens. 14 of the green pens and half of the purple pens are new. How many of his purple pens are new if he has a total of 18 new pens?
4 m

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Ken has a total of 56 of green and purple pens. 14 of the green pens and half of the purple pens are new. How many of his purple pens are new if he has a total of 18 new pens?