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ZX-A51FE1AADF2023年12月E卷 · 第 21 题
2023年12月E卷 · 原库模块 2 · Q21 原库参考解析
The cost of renting a piece of construction equipment for up to 5 days is $390 for the first day and $195 for each additional day. Which of the following equations gives the cost y, in dollars, of renting the equipment for a days, where x is a positive integer and x ≤5?
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