Question
Oscar gave 211 of his pens to Zane, 211 of his pens to David and 111 of his pens to Mark. He then had 24 pens left. How many pens had he at first?
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Oscar gave 211 of his pens to Zane, 211 of his pens to David and 111 of his pens to Mark. He then had 24 pens left. How many pens had he at first?