AMC 8 1990 Problem 17
AMC8 1990 年第 17 题
立体几何★★★☆☆
Problem A straight concrete sidewalk is to be 3 feet wide, 60 feet long, and 3 inches thick. How many cubic yards of concrete must a contractor order for the sidewalk if concrete must be ordered in a whole number of cubic yards?
一条直的混凝土人行道宽 3 英尺、长 60 英尺、厚 3 英寸。如果混凝土必须按整立方码订购，承包商需要为这条人行道订购多少立方码混凝土？
- A.2
- B.5
- C.12
- D.20
- E.
正确答案 · Correct Answer
A
解析 · Solution
解析整理中
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