题目

Mary paid $201 for a stereo that was marked at 25% off the original list price.


Quantity A

The amount Nan paid for the same stereo marked at 15% off the original list price

Quantity B

$227

选项

A.

The quantity in Column A is greater.  


B.

The quantity in Column B is greater.


C.

The two quantities are equal.


D.

The relationship cannot be determined from the information given.

解析

支付的201美元,是原价降低25%后的价格。 因此,201美元是原价的75%。 原价 = 4/3 × 201 = 268 美元 A项: 原价打85折(即降价15%) 售价 = 原价的85% = 0.85 × 268 = 227.8 美元 A项 > B项 答案:A
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