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标题: 涛涛24--18 [打印本页]

作者: sigrid920 时间: 2006-10-30 21:52
标题: 涛涛24--18

The annual interest rate earned by an investment increased by 10 percent from last year to this year. If the annual interest rate earned by the investment this year was 1 percent, what was the annual interest rate last year?

A. 1% B. 1.1% C. 9.1% D. 10% E. 10.8%

我做出来的答案比所有的正确答案都小一位, 去年的利息=(1%)/(1.1)=0.0091=0.91% 不是9.1%

请问是不是答案错啦?还是藕什么地方算错啦?

作者: mymengming 时间: 2006-10-30 22:27

你的答案是对的

作者: sigrid920 时间: 2006-10-31 21:21
多谢版主~~!!

今天回了我好几个帖子, 辛苦啦~~

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