document.write( "Question 31891: The shoe store has twice as many black shoes as it does brown shoes. The total number of shoes is 66. How many brown shoes are there? \n" ); document.write( "
Algebra.Com's Answer #18472 by elima(1433)\"\" \"About 
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let x be the number of brown shoes;
\n" ); document.write( "so 2x will = black shoes;
\n" ); document.write( "x+2x=66
\n" ); document.write( "3x=66
\n" ); document.write( "x=22
\n" ); document.write( "So the number of brown shoes is 22, number of black shoes 44;
\n" ); document.write( "22+44=66
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