Question
Carl and David have some money.  If Carl gives $202 to David, the ratio of their money will be 2 : 5. If Carl gives $502 to David, the ratio of their money will be 1: 4. How much does Carl have?
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Carl and David have some money.  If Carl gives $202 to David, the ratio of their money will be 2 : 5. If Carl gives $502 to David, the ratio of their money will be 1: 4. How much does Carl have?