1951 AMC 12 第 1 题
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所有题目均经美国数学协会（MAA）官方合法授权使用。
1.
比 大的百分率为：
The percent that is greater than is:
小提示：
百分率的增加量要以原数量为基准
Percent increase is measured relative to the original quantity
大提示：
这里 是原数量，增加量为
Here is the original quantity, and the increase is
解答：
从 增加到 的增加量为 。除以原数量并乘以 ，得到
因此，正确答案是 B。
The increase from to is Dividing by the original quantity and multiplying by gives
Thus, the correct answer is B.
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