Question
Eva and her two children received $4f in the ratio 1 : 3. If her daughter received $109 more than her son, how much did her son receive? Leave your answer in terms of f.
2 m

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Eva and her two children received $4f in the ratio 1 : 3. If her daughter received $109 more than her son, how much did her son receive? Leave your answer in terms of f.