Question
The ratio of Rebecca's pens to Layla's pens at first was 3 : 5. After Rebecca gave Layla 48 pens, the ratio of Rebecca's pens to Layla's pens is 1 : 3. What was the number of pens they had in all?
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The ratio of Rebecca's pens to Layla's pens at first was 3 : 5. After Rebecca gave Layla 48 pens, the ratio of Rebecca's pens to Layla's pens is 1 : 3. What was the number of pens they had in all?