document.write( "Question 1106130: A lady has 55 earrings in her jewel box: 21 pair of platinum earrings, 15 pair of gold earrings and 17 pair of silver earrings. The lights went out and she is completely in the dark. How many earrings must she take out to make 100% certain she has a pair of gold earrings? \n" ); document.write( "
Algebra.Com's Answer #721058 by josmiceli(19441)\"\" \"About 
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If she takes out 15 pairs, then she could still have
\n" ); document.write( "all silver, all platinum, or a mixture of those
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\n" ); document.write( "The same is true if she took out 17 pairs
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\n" ); document.write( "If she took out 21 pairs, she could have all platinum,
\n" ); document.write( "or a mixture of platinum and silver
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\n" ); document.write( "If she took out 21 + 17 = 38 pairs, she could have
\n" ); document.write( "all platinum and all silver
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\n" ); document.write( "If she took out 39 pairs, she is 100% certain to have
\n" ); document.write( "at least 1 pair of gold
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