document.write( "Question 891919: How many combinations of 3 numbers are there in 23 numbers, when the order of each group doesn't matter?\r
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Algebra.Com's Answer #540478 by Edwin McCravy(20054) $\"\"$ $\"About$

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document.write( "That the combinations of 23 things taken 3 at a time.\r\n" );
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document.write( " = 1771\r\n" );
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document.write( "Notice that the top and bottom both contain 3 factors.\r\n" );
document.write( "Each successive factor is one less than the preceding factor.\r\n" );
document.write( "We begin the numerator with 23 and the denominator with 3.\r\n" );
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document.write( "This is sometimes written as C(23,3), 23C3, or \r\n" );
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document.write( "But it means 1771.\r\n" );
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document.write( "Edwin

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