Question
The ratio of Rachel's buttons to Levi's buttons at first was 2 : 5. After Rachel gave Levi 18 buttons, the ratio of Rachel's buttons to Levi's buttons is 1 : 4. What was the number of buttons they had altogether?
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The ratio of Rachel's buttons to Levi's buttons at first was 2 : 5. After Rachel gave Levi 18 buttons, the ratio of Rachel's buttons to Levi's buttons is 1 : 4. What was the number of buttons they had altogether?