1996 AMC 8 第 18 题
先试着解答 1996 AMC 8 第 18 题，然后核对你的答案与精心整理的解答，解答来自 LIVE by Po-Shen Loh。你也可以参加完整限时模拟考试、查看全部 1996 AMC 8 解答，或核对答案。
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18.
Ana 五月的月薪是 。六月她加薪 。七月她又降薪 。经过六月和七月这两次变化后，Ana 的月薪是
Ana’s monthly salary was in May. In June she received a raise. In July she received a pay cut. After the two changes in June and July, Ana’s monthly salary was
答案：A
小提示：
加薪 相当于乘以 ；降薪 相当于乘以 。
A raise multiplies by a cut multiplies by
大提示：
依次应用两个因子，计算 即可。
Apply both factors in turn:
解答：
加薪后，工资为 。
降薪后，工资为 。
所以正确答案是 A。
After the raise, the salary is
After the cut, it is
Thus, the correct answer is A .
其他年份的第 18 题
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- 1986 AMC 8
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