Question
The ratio of Andrew's coins to Jeremiah's coins at first was 2 : 5. After Andrew gave Jeremiah 81 coins, the ratio of Andrew's coins to Jeremiah's coins is 1 : 4. What was the number of coins they had in all?
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The ratio of Andrew's coins to Jeremiah's coins at first was 2 : 5. After Andrew gave Jeremiah 81 coins, the ratio of Andrew's coins to Jeremiah's coins is 1 : 4. What was the number of coins they had in all?