Question
Elyse has twice the number of erasers as Opal. Nora has five times the number of erasers as Elyse. If Nora has 520 erasers, how many erasers do the three girls have altogether?
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Elyse has twice the number of erasers as Opal. Nora has five times the number of erasers as Elyse. If Nora has 520 erasers, how many erasers do the three girls have altogether?