document.write( "Question 1194404: A survey of 130 pet owners yielded the following information: 47 own fish; 53 own a bird; 50 own a cat; 64 own a dog; 2 own all four; 11 own only fish; 14 own only a bird; 10 own fish and a bird; 21 own fish and a cat; 24 own a bird and a dog; 27 own a cat and a dog; 3 own fish, a bird, a cat, and no dog; 1 owns fish, a bird, a dog, and no cat; 9 own fish, a cat, a dog, and no bird; and 10 own a bird, a cat, a dog, and no fish. How many of the surveyed pet owners have no fish, no birds, no cats, and no dogs? (They own other types of pets.) \n" ); document.write( "

Algebra.Com's Answer #826746 by MathTherapy(10552) $\"\"$ $\"About$

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A survey of 130 pet owners yielded the following information: 47 own fish; 53 own a bird; 50 own a cat; 64 own a dog; 2 own all four; 11 own only fish; 14 own only a bird; 10 own fish and a bird; 21 own fish and a cat; 24 own a bird and a dog; 27 own a cat and a dog; 3 own fish, a bird, a cat, and no dog; 1 owns fish, a bird, a dog, and no cat; 9 own fish, a cat, a dog, and no bird; and 10 own a bird, a cat, a dog, and no fish. How many of the surveyed pet owners have no fish, no birds, no cats, and no dogs? (They own other types of pets.)
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document.write( "F = Fish			B = Bird			C = Cat			D = Dog\r\n" );
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document.write( "Total # of pet-owners (@ least 1 pet): 4 + 3 + 1 + 2 + 9 + 10 + 11 + 14 + 7 + 11 + 13 + 6 + 25 = 116\r\n" );
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document.write( "Total number of pet-owners with no cats, dogs, fish, or birds: 130 - 116 = 14\r\n" );
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document.write( "BTW: Contrary to what was stated, bird-owners don’t total 53, and fish-owners don’t total 47.

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