1985 AMC 8 第 23 题
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23.
金氏初中有 名学生。每名学生每天上 节课。每位老师教 节课。每节课有 名学生和 位老师。金氏初中有多少位老师？
King Middle School has students. Each student takes classes a day. Each teacher teaches classes. Each class has students and teacher. How many teachers are there at King Middle School?
答案：E
小提示：
先数每天的学生上课总次数：
Count the total number of student-class attendances:
大提示：
除以 得到每天开设的课数，再除以 得到老师人数
Divide by to get the number of classes, then by to get the number of teachers
解答：
每天共有 次学生上课。每节课有 名学生，所以共有 节课。
每位老师教 节课，所以有 位老师。
所以正确答案是 E。
Each day there are student-class attendances. Since each class holds students, there are classes.
Each teacher teaches classes, so there are teachers.
Thus, the correct answer is E .
其他年份的第 23 题
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