State X has a sales tax rate of k percent on all purchases and State Y has a sales tax答案解析-雷哥GMAT

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State X has a sales tax rate of k percent on all purchases and State Y has a sales tax rate of n percent on all purchases. What is the value of k-n?

(1)The sales tax on a $15 purchase is 30 cents more in State X than in State Y.

(2)The sales tax rate in State X is 1.4 times the sales tax rate in State Y.

A

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
分析A选项
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B

Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
分析B选项
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C

BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
分析C选项
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D

EACH statement ALONE is sufficient.
分析D选项
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E

Statements (1) and (2) TOGETHER are NOT sufficient.
分析E选项
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当前版本由 292501r 更新于2021-11-02 15:08:02 感谢由 292501r 对此题目的解答所做出的贡献。

条件一：15K=（1+0.3）*15N，所以15（K-N）=1.3，题目题要求的就是K-N，所以不需要知道K和N的具体值，条件一充分

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Galaxy椰椰

1）15K=0.3+15N，所以15（K-N）=0.3，题目题要求的就是K-N，所以不需要知道K和N的具体值【充分】
2）没有具体数据【不充分】
选A

0 回复 2022-08-30 11:31:44