document.write( "Question 1143477: Donald has a pair of blue shoes, a pair of red shoes, and a pair of white shoes. He
\n" ); document.write( "wants to put these six shoes side by side in a row. However, Donald wants the left
\n" ); document.write( "shoe of each pair to be somewhere to the left of the corresponding right shoe. How
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Algebra.Com's Answer #764466 by Edwin McCravy(20060) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "It's the same as the number of distinguishable arrangement of the row of 6\r\n" );
document.write( "letters BBRRWW. \r\n" );
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document.write( "That's because For any distinguishable arrangement of those 6 letters, we \r\n" );
document.write( "can always put the left shoe of each color left of the right one of the same\r\n" );
document.write( "color.  \r\n" );
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document.write( "Since there are 6 letters, the 2 B's are indistinguishable, the 2 R's are\r\n" );
document.write( "indistinguishable and the 2 W's are indistinguishable.   \r\n" );
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document.write( "So the answer is  \r\n" );
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document.write( "Edwin

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