AMC 8 2010 Problem 20

AMC8 2010 年第 20

基本计数原理★★★☆☆
In a room, 2/5 of the people are wearing gloves, and 3/4 of the people are wearing hats. What is the minimum number of people in the room wearing both a hat and a glove?
在一个房间里,2/5 的人戴着手套,3/4 的人戴着帽子。那么房间里同时戴着帽子和手套的人最少是多少个?
  1. A.3
  2. B.5
  3. C.8
  4. D.15
  5. E.20

正确答案 · Correct Answer

A

解析 · Solution

解析整理中

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