Question
Dana collected 3 times as many pens as Riordan. After Riordan collected another 88 pens, both of them had an equal number of pens. How many pens did Dana collect?
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Dana collected 3 times as many pens as Riordan. After Riordan collected another 88 pens, both of them had an equal number of pens. How many pens did Dana collect?