Question
Tom and Mark have some money.  If Tom gives $147 to Mark, the ratio of their money will be 2 : 5. If Tom gives $630 to Mark, the ratio of their money will be 1: 4. How much does Tom have?
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Tom and Mark have some money.  If Tom gives $147 to Mark, the ratio of their money will be 2 : 5. If Tom gives $630 to Mark, the ratio of their money will be 1: 4. How much does Tom have?