2017 AMC 12A 第 1 题
先试着解答 2017 AMC 12A 第 1 题,然后核对你的答案与精心整理的解答,解答来自 LIVE by Po-Shen Loh。你也可以参加完整限时模拟考试、查看全部 2017 AMC 12A 解答,或核对答案。
所有题目均经美国数学协会(MAA)官方合法授权使用。
1.
Pablo 给他的朋友们买冰棒。商店出售单支冰棒,每支 ; 支装盒,每盒 ;以及 支装盒,每盒 。Pablo 用 最多可以买多少支冰棒?
Pablo buys popsicles for his friends. The store sells single popsicles for each, -popsicle boxes for and -popsicle boxes for What is the greatest number of popsicles that Pablo can buy with
小提示:
最划算的是 支装盒, 买 支
The best value is the -popsicle box, at for
大提示:
用 买两盒 支装,再用剩下的 买一盒 支装
Spend on two -boxes, then use the remaining on a -box
解答:
最便宜的冰棒来自 支装盒,单价为 。即使按这个单价, 支冰棒也要花 ,超过 。
因此 Pablo 最多能买 支,而且他可以用 买两盒 支装,再用 买一盒 支装,得到 支冰棒。
所以正确答案是 D。
The cheapest popsicles come from the -popsicle box, at each. Even at that rate, popsicles would cost more than
So Pablo can buy at most and he achieves this with two -boxes for and one -box for giving popsicles.
Thus, the correct answer is D.
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