Question
Usha has a total of 145 pens. She has 31 more purple pens than white pens. She has twice as many brown pens as purple pens. How many purple pens does she have?
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Usha has a total of 145 pens. She has 31 more purple pens than white pens. She has twice as many brown pens as purple pens. How many purple pens does she have?