题目

0 < x < 100

Quantity A

x% of 0.5% of 40,000

Quantity B

0.05% of 2,000% of 40x

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

当百分比包含变量时,用分数转化计算。量A为: x/100× 0.5/100× 40000 = 2x 量B为: 0.05/100 ×2000/100× 40x = 0.04x 由于x为正数,量A更大(即便x是分数,此结论依然成立)。
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