2018 AMC 12B 第 6 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。
6.
假设用 枚二十五美分硬币可从自动售货机购买 罐汽水。下列哪个表达式表示用 美元可购买的汽水罐数?其中 美元等于 枚二十五美分硬币。
Suppose cans of soda can be purchased from a vending machine for quarters. Which of the following expressions describes the number of cans of soda that can be purchased for dollars, where dollar is worth quarters?
小提示:
一罐汽水价格为 枚二十五美分硬币。
One can costs quarters
大提示:
把 美元换成 枚二十五美分硬币,再除以每罐价格。
Convert dollars to quarters, then divide by the price per can
解答:
一罐汽水需要 枚二十五美分硬币,也就是 美元。用 美元可购买的罐数是
所以正确答案是 B。
One can costs quarters, which is dollars. The number of cans that dollars can buy is
Thus, the correct answer is B.
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