Question
Tammy went shopping with twice as much money as Erika. After Tammy spent $630, Erika had four times as much money as Tammy had left. How much more money did Tammy bring along for shopping than Erika?
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Tammy went shopping with twice as much money as Erika. After Tammy spent $630, Erika had four times as much money as Tammy had left. How much more money did Tammy bring along for shopping than Erika?