Question
Shiyun bought 23 as many markers as files at first. After she bought another 20 markers and 54 files, there were 25 as many markers as files. How many markers and files did Shiyun buy at first?
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Shiyun bought 23 as many markers as files at first. After she bought another 20 markers and 54 files, there were 25 as many markers as files. How many markers and files did Shiyun buy at first?