document.write( "Question 620606: There are 40 dogs in a kennel. 15 are lab, 16 are bulldog, 7 are terrier, 4 are unknown type. There are also collies. There are 3 lab/bulldog, 2 terrier/lab, 0 bulldog/terrier. There are 2 lab/collie, 1 bulldog/collie, & no terrier/collie mixes. The unknowns are unknown so they cannot be classified as lab, bulldog, or terrier. Draw a venn diagram. \n" ); document.write( "
Algebra.Com's Answer #390293 by jim_thompson5910(35256)\"\" \"About 
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Hint:\r
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\n" ); document.write( "\n" ); document.write( "Note: the region ABD for instance represents the region where the sets A, B and D overlap. Relabel sets A, B, C, and D with the dog breeds (and the \"unknown\") if you need to.
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