Question
Lucy had 73 more erasers than Shiyun at first. Shiyun gave 13 of her erasers to Lucy. Lucy now has 4 times as many erasers as Shiyun. How many erasers did Shiyun have at first?
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Lucy had 73 more erasers than Shiyun at first. Shiyun gave 13 of her erasers to Lucy. Lucy now has 4 times as many erasers as Shiyun. How many erasers did Shiyun have at first?