AMC 8 2005 Problem 6
AMC8 2005 年第 6 题
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Suppose is a digit. For how many values of is 2.00d5 > 2.005 ?
假设 是一个数字。使 2.00d5 > 2.005 成立的 有多少个？
- A.0
- B.4
- C.5
- D.6
- E.10
正确答案 · Correct Answer
C
解析 · Solution
Solution 1
We see that 2.0055 works but 2.0045 does not. The digit can be numbers 5 through 9, which is 5 values.
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