Question
The ratio of Elijah's buttons to Zoe's buttons at first was 3 : 7. After Elijah gave Zoe 22 buttons, the ratio of Elijah's buttons to Zoe's buttons is 1 : 3. What was the number of buttons they had altogether?
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The ratio of Elijah's buttons to Zoe's buttons at first was 3 : 7. After Elijah gave Zoe 22 buttons, the ratio of Elijah's buttons to Zoe's buttons is 1 : 3. What was the number of buttons they had altogether?