Question
Risa had twice as many erasers as Hazel. After Hazel bought another 84 erasers, Hazel had 2 times as many erasers as Risa. How many erasers did Risa have?
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Risa had twice as many erasers as Hazel. After Hazel bought another 84 erasers, Hazel had 2 times as many erasers as Risa. How many erasers did Risa have?