Question
Diana and Dana were given the same amount of pocket money. After Diana had spent $13 and Dana had spent $7, the amount of pocket money Dana had became thrice that of Diana's. How much pocket money was given to each girl?
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Diana and Dana were given the same amount of pocket money. After Diana had spent $13 and Dana had spent $7, the amount of pocket money Dana had became thrice that of Diana's. How much pocket money was given to each girl?