Math Is Fun Forum

  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

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#1 Re: Help Me ! » Venn Diagrams » 2005-12-22 08:28:39

Could someone do this one:

25 students played soccer

4 boys played soccer and baseball

3 girls played soccer and baseball

10 boys played baseball

4 girls played baseball

9 students played tennis

3 boys played soccer and tennis

3 girls played soccer and tennis

3 boys played baseball and tennis

1 girl played baseball and tennis

1 boy played all three sports

1 girl played all three sports

#2 Re: Help Me ! » Venn Diagrams » 2005-12-21 08:53:27

So I had it right. Well, the main one I need help with is the second one.

#3 Help Me ! » Venn Diagrams » 2005-12-21 03:12:31

spiralfive
Replies: 4

I'm having trouble solving these problems:
http://www.imagecabin.com/files/2005/12/20/B0T4iOSEytwz9dE1.swf

I think the first one is D, but cannot figure out how you do 16+.

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