雷哥网GMAT-【OG20-P285-368题】Max purchased a guitar for a total of $624, which _OG18新题

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【OG20-P285-368题】

Max purchased a guitar for a total of $624, which consisted of the price of the guitar and the sales tax. Was the sales tax rate greater than 3 percent?

(1) The price of the guitar that Max purchased was less than $602.

(2) The sales tax for the guitar that Max purchased was less than $30.

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 statement 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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当前版本由贾思敏更新于2021-10-29 20:01:37 感谢由贾思敏对此题目的解答所做出的贡献。

购买税等于用费率乘以货物价格，也就是说 sales rate*the price of the product=sales tax
条件1：设这个price是x
x<602
624-x>624-602
624-x>22
（624-x）/602>22/602
（624-x）/602>3.7%>3%,充分

条件2：设这个tax为y
y<30
y/(624-30)<30/(624-30)
y/594<5% 就是这个sales tax rate有可能大于3%，也有可能是小于3%，不充分

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目标750

624=P+Tax，问题Tax>3%?；；条件1：P小于602==》P最大602，Tax最小22，22/602=3%，Tax最小都是3%，充分；；条件2：Tax小于30==》30-624=594，30/593肯定大于3.1%，Tax小于3.1%，并不知道是大于3%还是小于3%，不充分；

0 0 回复 2021-06-13 21:17:23
emily666

这种less, more的题目一定要想明白

1 0 回复 2020-05-11 20:50:29
Jess123

原价：a; 税率：t a+at=624 at<30 所以a>594, 594x0.03=17.82<30 所以：t不确定

0 0 回复 2019-03-31 14:58:59
UomoVitruviano

total 624

0 0 回复 2018-10-29 19:49:37