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ZX-D794C0E6E92024年12月北美A卷 · 第 12 题
2024年12月北美A卷 · 原库模块 2 · Q12 原库参考解析
A carnival receives $10 for each adult admission ticket sold and $5 for each child admission ticket sold. On a particular day, the carnival received a total of $4,100 from selling adult and child admission tickets. If 220 adult admission tickets were sold on that day, how many child admission tickets were sold?
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