Question
The ratio of Luke's cards to Ellie's cards at first was 2 : 5. After Luke gave Ellie 12 cards, the ratio of Luke's cards to Ellie's cards is 1 : 4. What was the number of cards they had in all?
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The ratio of Luke's cards to Ellie's cards at first was 2 : 5. After Luke gave Ellie 12 cards, the ratio of Luke's cards to Ellie's cards is 1 : 4. What was the number of cards they had in all?