1985 AMC 8 第 21 题
先试着解答 1985 AMC 8 第 21 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 1985 AMC 8 解答，或核对答案。
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21.
格林先生每年加薪 。连续四次这样的加薪后，他的薪水总共上涨了百分之多少？
Mr. Green receives a raise every year. His salary after four such raises has gone up by what percent?
小于
less than
大于
more than
小提示：
一次 的加薪会把薪水乘以
Applying a raise multiplies the salary by
大提示：
四次加薪后薪水乘以 ；把它和 比较
After four raises the salary is multiplied by compare that to
解答：
四次加薪后薪水被乘以 。
这表示增加了 ，大于 。
所以正确答案是 E。
After four raises the salary is multiplied by
That is an increase of which is more than
Thus, the correct answer is E .
其他年份的第 21 题
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