Question
Sabrina had 60 more erasers than Shiyun at first. Shiyun gave 10 of her erasers to Sabrina. Sabrina now has 3 times as many erasers as Shiyun. How many erasers did Shiyun have at first?
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Sabrina had 60 more erasers than Shiyun at first. Shiyun gave 10 of her erasers to Sabrina. Sabrina now has 3 times as many erasers as Shiyun. How many erasers did Shiyun have at first?