题目

The regular price of a car is p dollars


Quantity A

The price of the car after 20% off

Quantity B

0.80 p dollars

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

p的20% = 0.20p 打20%折扣后,汽车价格为(1 - 0.20)p = 0.80p A、B两项数值相等。 因此,答案应为C。
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