2025 AMC 12B 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.
一袋 克的咖啡豆说明上写着：正确冲泡一大杯手冲咖啡需要 克咖啡豆。用这袋咖啡豆最多可以正确冲泡多少大杯咖啡？
The instructions on a -gram bag of coffee beans say that proper brewing of a large mug of pour-over coffee requires grams of coffee beans. What is the greatest number of properly brewed large mugs of coffee that can be made from the coffee beans in that bag?
答案：B
小提示：
用咖啡豆的总克数除以每杯所需的克数。
Divide the total grams by the grams needed per mug
大提示：
只能计算完整的杯数，所以要将 向下取整。
Only whole mugs count, so round down
解答：
每杯需要 克，而 。由于只能冲泡完整的一杯，最多可冲 杯。
所以正确答案是 B。
Each mug uses grams, and Only complete mugs can be brewed, so the greatest number is
Thus, the correct answer is B.
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