Question
The ratio of Sofia's coins to Julian's coins at first was 2 : 5. After Sofia gave Julian 45 coins, the ratio of Sofia's coins to Julian's coins is 1 : 4. What was the number of coins they had in total?
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The ratio of Sofia's coins to Julian's coins at first was 2 : 5. After Sofia gave Julian 45 coins, the ratio of Sofia's coins to Julian's coins is 1 : 4. What was the number of coins they had in total?