AMC 8 1997 Problem 16
AMC8 1997 年第 16 题
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Penni Precisely buys $100 worth of stock in each of three companies: Alabama Almonds, Boston Beans, and California Cauliflower. After one year, AA was up 20%, BB was down 25%, and CC was unchanged. For the second year, AA was down 20% from the previous year, BB was up 25% from the previous year, and CC was unchanged. If A, B, and C are the final values of the stock, then
分别投资 $100 美元购买三家公司各 $100 的股票：Alabama Almonds、Boston Beans 和 California Cauliflower。一年后，AA 上涨 20%，BB 下跌 25%，CC 不变。第二年，AA 在前一年的基础上下跌 20%，BB 在前一年的基础上上涨 25%，CC 不变。若 A、B、C 分别是这些股票的最终价值，则
- A.A=B=C
- B.A=B<C
- C.C<B=A
正确答案 · Correct Answer
E
解析 · Solution
解析整理中
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