题库搜索>问题求解PS-13389
Of the 32 students in a certain class, 15 are in a music club and 20 are in a dance club. If 10 of the students are not in either club, how many of the students are in only one of the two clubs?
分析A选项
分析B选项
分析C选项
分析D选项
分析E选项
我有更好的解析 
暂无雷哥网文字解析
要么一个club,要么both的人数：32-10=22
Both的：15+20-22=13
所以只在其中一个俱乐部的是：22-13=9
科目：
问题求解PS
来源：
GWD
题目信息2m0s
平均耗时
85%
平均正确率
该题由网友u443k提供
点击上传-18028
213123
问题求解PS -17904
The table above shows the number of residents in each of two age groups who support the use of each type of funding for a city initiative. What is the probability that a person randomly selected from among the 250 residents polled is younger than 40, or supports a type of funding that indudes a tax,...
问题求解PS -17748
The table above shows the number of residents in each of two age groups who support the use of each type of funding for a city initiative. What is the probability that a person randomly selected from among the 250 residents polled is younger than 40, or supports a type of funding that indudes a tax,...
问题求解PS -17546
A language class has 155 students. 80 of them can speak English. 40 of them can speak Russian, 60 of them can speak French. There are 50 of them can speak exactly two languages, and 10can speak all three kind languages. What is the number of the student that can speak none of...
问题求解PS -15619
【OG20-P181-229题】Of the 150 houses in a certain development, 60 percent have air-conditioning, 50 percent have a sunporch, and 30 percent have a swimming pool. If 5 of the houses have all three of these amenities and 5 have none of them, how many of the houses haveexactly two of these amenities...
-18028
213123
问题求解PS -17904
The table above shows the number of residents in each of two age groups who support the use of each type of funding for a city initiative. What is the probability that a person randomly selected from among the 250 residents polled is younger than 40, or supports a type of funding that indudes a tax,...
问题求解PS -17748
The table above shows the number of residents in each of two age groups who support the use of each type of funding for a city initiative. What is the probability that a person randomly selected from among the 250 residents polled is younger than 40, or supports a type of funding that indudes a tax,...
问题求解PS -17546
A language class has 155 students. 80 of them can speak English. 40 of them can speak Russian, 60 of them can speak French. There are 50 of them can speak exactly two languages, and 10can speak all three kind languages. What is the number of the student that can speak none of...
问题求解PS -15619
【OG20-P181-229题】Of the 150 houses in a certain development, 60 percent have air-conditioning, 50 percent have a sunporch, and 30 percent have a swimming pool. If 5 of the houses have all three of these amenities and 5 have none of them, how many of the houses haveexactly two of these amenities...
分享
周末、晚班滚动开班 
24+35+35+6课时 
