Question
Ethan had a collection of erasers. He gave away 211 of his collection and sold 511 of it. He was left with 64 erasers. How many erasers did he have at first?
4 m

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Ethan had a collection of erasers. He gave away 211 of his collection and sold 511 of it. He was left with 64 erasers. How many erasers did he have at first?