Question
The ratio of Jackson's coins to Charlotte's coins at first was 3 : 7. After Jackson gave Charlotte 28 coins, the ratio of Jackson's coins to Charlotte's coins is 1 : 3. What was the number of coins they had in all?
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The ratio of Jackson's coins to Charlotte's coins at first was 3 : 7. After Jackson gave Charlotte 28 coins, the ratio of Jackson's coins to Charlotte's coins is 1 : 3. What was the number of coins they had in all?