document.write( "Question 332299: Albert has 3 daughters, Kate, Liz and Marina. 2 of them are Blonde and one, Brunette. If kate is Blonde, then so is Elizabeth; If Elizabeth is Blonde then so is Marina. Based on this information, which of the following is certainly true and why?
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document.write( "a) Liz is Brunette and Kate Blonde
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document.write( "b) Kate is Brunette and Marina Blonde
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document.write( "c) Marina and Elizabeth are Brunettes
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document.write( "d) Kate is Blonde, and Marina is Brunette
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document.write( "e) Kate and Liz are Blonde \n" );
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Algebra.Com's Answer #238156 by solver91311(24713)![]() ![]() You can put this solution on YOUR website! \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Let A represent Kate is Blonde. Let B represent Liz is Blonde. Let C represent Marina is blonde.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "If A then B. \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "If B then C. \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "If A then C. \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "But that means if A then B AND C which means that all three are blonde contradicting the given that 2 are blonde and 1 is not. Hence, Kate is not blonde which in turn implies that Liz and Marina are blonde.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Answer b. is the only one that fits.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "John \n" ); document.write( " \n" ); document.write( "My calculator said it, I believe it, that settles it \n" ); document.write( " ![]() \n" ); document.write( " \n" ); document.write( " |