Question
Charlie and David have some money.  If Charlie gives $110 to David, the ratio of their money will be 2 : 5. If Charlie gives $689 to David, the ratio of their money will be 1: 4. How much does Charlie have?
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Charlie and David have some money.  If Charlie gives $110 to David, the ratio of their money will be 2 : 5. If Charlie gives $689 to David, the ratio of their money will be 1: 4. How much does Charlie have?