Question
Julie had thrice as many pens as Fiona. After Fiona bought another 70 pens, Fiona had 2 times as many pens as Julie. How many pens did Julie have?
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Julie had thrice as many pens as Fiona. After Fiona bought another 70 pens, Fiona had 2 times as many pens as Julie. How many pens did Julie have?