Question
The ratio of Benjamin's pens to Rachel's pens at first was 3 : 5. After Benjamin gave Rachel 60 pens, the ratio of Benjamin's pens to Rachel's pens is 1 : 3. What was the number of pens they had in total?
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The ratio of Benjamin's pens to Rachel's pens at first was 3 : 5. After Benjamin gave Rachel 60 pens, the ratio of Benjamin's pens to Rachel's pens is 1 : 3. What was the number of pens they had in total?