Question
Ben had 38 the number of pens that Fred had at first. After Fred gave Ben 45 of his pens, Ben had 35 the number of pens that Fred had. How many pens did Fred have in the end?
2 m

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Ben had 38 the number of pens that Fred had at first. After Fred gave Ben 45 of his pens, Ben had 35 the number of pens that Fred had. How many pens did Fred have in the end?