My Math Forum [HELP]Venn's Diagram

 January 26th, 2010, 05:01 AM #1 Newbie   Joined: Jan 2010 Posts: 14 Thanks: 0 [HELP]Venn's Diagram i had my quiz earlier, and its about the venn's diagram.. i got the hard time solving it.. can someone explain me this.. Im not sure the exact number since i forgot it. I just need the proper explanation of it. here it goes: the survey were given to 100 boys in the class room. who likes sweets, cakes, and icecreams. 78 like sweets, 74 like icecream, 37 like cakes, 48 like sweet and cakes, 54 like sweet and icecream, 31 likes all.. Now the question is how many likes icecream and cakes? Hope someone explain me this, because my prof. Didnt xplain this.
 January 26th, 2010, 06:22 AM #2 Senior Member   Joined: Feb 2009 From: Adelaide, Australia Posts: 1,519 Thanks: 3 Re: [HELP]Venn's Diagram Here's a short web tutorial. http://www.purplemath.com/modules/venndiag4.htm Google "venn diagram problem" and you will get more like this. If you need more specific help just post again.
 January 26th, 2010, 09:09 PM #3 Newbie   Joined: Jan 2010 Posts: 14 Thanks: 0 Re: [HELP]Venn's Diagram thanks for the link it helps a lot! thank you

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