AMC 8 1988 Problem 20

AMC8 1988 年第 20 题

百分比★★★☆☆

Problem The glass gauge on a cylindrical coffee maker shows that there are 45 cups left when the coffee maker is 36% full. How many cups of coffee does it hold when it is full?

一个圆柱形咖啡壶的玻璃刻度显示，当咖啡壶 36% 满时还剩下 45 杯。咖啡壶满的时候能装多少杯咖啡？

A.80
B.100
C.125
D.130
E.262

正确答案 · Correct Answer

解析 · Solution

Solution 1

Let

x

be the number of cups of coffee that the coffee maker can hold when it is full. Then .36x=45, so x= 125.

继续练习

免费刷 1988 整卷 →