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ZX-38EEF9E1142026年8月国际A卷 · 第 17 题
2026年8月国际A卷 · 原库模块 2 · Q17 参考答案
During the month of May, an airport parking garage is offering a special price plan. According to this plan, the cost of parking in the garage for up to 5 days is $18 for the first day and $9 for each additional day. Which of the following equations gives the cost C, in dollars, of parking in the garage for t days, where t is a positive integer and \( t\le5 \)?
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