1992 AMC 8 第 4 题
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所有题目均经美国数学协会（MAA）官方合法授权使用。
4.
在垒球赛季中，Judy 有 次安打。其中包括 次本垒打、 次三垒安打和 次二垒安打。其余安打都是一垒安打。她的安打中有百分之几是一垒安打？
During the softball season, Judy had hits. Among her hits were home run, triple, and doubles. The rest of her hits were singles. What percent of her hits were singles?
答案：E
小提示：
先求有多少次安打不是一垒安打。
First find how many hits were not singles
大提示：
一垒安打数 ；再除以 并化成百分数。
Singles ; divide by and convert to a percent
解答：
非一垒安打共有 次，所以一垒安打有 次。
一垒安打所占比例为 。
所以正确答案是 E。
The non-single hits number so the singles number
The fraction of singles is
Thus, the correct answer is E .
其他年份的第 4 题
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