Question
Cindy has a total of 140 pens. She has 28 more green pens than grey pens. She has twice as many yellow pens as green pens. How many green pens does she have?
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Cindy has a total of 140 pens. She has 28 more green pens than grey pens. She has twice as many yellow pens as green pens. How many green pens does she have?