Question
Lynn and her two children received $7r in the ratio 2 : 5. If her daughter received $109 more than her son, how much did her son receive? Leave your answer in terms of r.
2 m

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Lynn and her two children received $7r in the ratio 2 : 5. If her daughter received $109 more than her son, how much did her son receive? Leave your answer in terms of r.