Mathematics, 22.04.2020 18:53, jinn53

After selling half their card collections, DeShawn and Stephanie each buy 9 new cards. What is the ratio of the number of cards DeShawn has to the number Stephanie has? Why did the ratio stay the same in the Example but change in the Try It?

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After selling half their card collections, DeShawn and Stephanie each buy 9 new cards. What is the r...