Question
The ratio of Mia's erasers to Scarlett's erasers at first was 3 : 7. After Mia gave Scarlett 74 erasers, the ratio of Mia's erasers to Scarlett's erasers is 1 : 3. What was the number of erasers they had in all?
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The ratio of Mia's erasers to Scarlett's erasers at first was 3 : 7. After Mia gave Scarlett 74 erasers, the ratio of Mia's erasers to Scarlett's erasers is 1 : 3. What was the number of erasers they had in all?