Question
Riordan had $4 less than Ryan. Ryan gave some money to Riordan. In the end, Riordan and Ryan had the same amount of money. How much money did Ryan give to Riordan?
4 m

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Riordan had $4 less than Ryan. Ryan gave some money to Riordan. In the end, Riordan and Ryan had the same amount of money. How much money did Ryan give to Riordan?