AMC 8 1997 Problem 4
AMC8 1997 年第 4 题
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Problem Julie is preparing a speech for her class. Her speech must last between one-half hour and three-quarters of an hour. The ideal rate of speech is 150 words per minute. If Julie speaks at the ideal rate, which of the following number of words would be an appropriate length for her speech?
正在为她的班级准备一篇演讲。她的演讲时长必须在半小时到三刻钟之间。理想的语速是每分钟 150 个单词。如果 Julie 以理想的语速讲话，以下哪个单词数对演讲来说是合适的长度？
- A.2250
- B.3000
- C.4200
- D.4350
- E.5650
正确答案 · Correct Answer
E
解析 · Solution
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