AMC 8 2001 Problem 15
AMC8 2001 年第 15 题
工程问题★★★☆☆
Homer began peeling a pile of 44 potatoes at the rate of 3 potatoes per minute. Four minutes later Christen joined him and peeled at the rate of 5 potatoes per minute. When they finished, how many potatoes had Christen peeled?
开始以每分钟 3 个土豆的速度开始剥一堆土豆，这堆土豆总共有 44 个。四分钟后， Christen 加入他的行列，以每分钟 5 个土豆的速度剥皮。当他们完成时，Christen 剥了多少土豆？ Problem 16 A square piece of paper, 4 inches on a side, is folded in half vertically. Both layers are then cut in half parallel to the fold. Three new rectangles are formed, a large one and two small ones. What is the ratio of the perimeter of one of the small rectangles to the perimeter of the large rectangle? 一张边长 4 英寸的正方形纸垂直对折。然后将这两层沿着平行于折痕的方向均切割成两半，形成了三个新矩形，1 个大矩形和 2 个小矩形。则其中一个小矩形的周长与大矩形的周长之比是多少？
- A.20
- B.24
- C.32
- D.33
- E.40
正确答案 · Correct Answer
A
解析 · Solution
解析整理中
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