Question
The ratio of Jacob's buttons to John's buttons at first was 3 : 7. After Jacob gave John 36 buttons, the ratio of Jacob's buttons to John's buttons is 1 : 3. What was the number of buttons they had in total?
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The ratio of Jacob's buttons to John's buttons at first was 3 : 7. After Jacob gave John 36 buttons, the ratio of Jacob's buttons to John's buttons is 1 : 3. What was the number of buttons they had in total?