Question
The ratio of Scarlett's cards to Risa's cards at first was 3 : 7. After Scarlett gave Risa 58 cards, the ratio of Scarlett's cards to Risa's cards is 1 : 3. What was the number of cards they had in total?
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The ratio of Scarlett's cards to Risa's cards at first was 3 : 7. After Scarlett gave Risa 58 cards, the ratio of Scarlett's cards to Risa's cards is 1 : 3. What was the number of cards they had in total?