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[Problem Solving]
试题详情
题目：
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?
选项:
A、1%
B、1.1%
C、0.91%
D、10%
E、10.8%
答案:
C
提问：
我的理解是：
设要求的值是X
则，(1+10%)X=1% ==>X=1/1.1, X约等于0.0091
答案应该是0.91%
解答：
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阅读2656
提问：
我的理解是：
设要求的值是X
则，(1+10%)X=1% ==>X=1/1.1, X约等于0.0091
答案应该是0.91%
解答：
点赞0
阅读2657
提问：
increase by 10% 就是说增长了10%，那今年是1%，去年不应该是1%/(1.1)吗
解答：
点赞0
阅读2675
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