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A poll of 100 eighth-grade students was conducted to determine the number of students who had a dog, a cat, or a fish. The data showed that 50 students had a dog, 40 students had a cat, and 20 students had a fish. Further, 19 students had only a dog and a cat, 2 students had only a cat and a fish, 3 students had only a dog and a fish, and 12 students had only a fish. How many students had none of these pets?

 

Thank you to all who try

 May 1, 2020
 #1
avatar+651 
+2

Start by drawing a Venn diagram (btw I know your in AOPs class because I did it too)

 

If you are stuck use the message board in AOPs

 

coolsmileycool

 May 1, 2020
 #2
avatar+468 
+2

The hero we need AND deserve :D

CentsLord  May 1, 2020
 #3
avatar+651 
+1

Lol Thanks!

 

coolsmileycool

LuckyDucky  May 1, 2020
 #4
avatar+26004 
+4

Here is a Venn diagram:

 

 May 1, 2020
 #5
avatar+111438 
0

Thanks, EP!!!!

 

I've been looking for an online Venn diagram maker....I once found a good one but it disappeared   !!!!

 

 

cool cool cool

CPhill  May 1, 2020
 #6
avatar+26004 
+1

I think I would like that site if you find it again!  I used a quarter and a pen....then scanned in......ugh.  cheeky

ElectricPavlov  May 1, 2020

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