document.write( "Question 1043245: A and B can build a wall in 15 and 20 hrs resp.
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document.write( "if
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document.write( "they worked together they use 180 bricks less
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document.write( "per hours and build
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document.write( "the wall in 12 hrs . find how many bricks was
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document.write( "there in the wall \n" );
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Algebra.Com's Answer #689000 by josgarithmetic(39617)![]() ![]() ![]() You can put this solution on YOUR website! 3600 bricks in one wall.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Predicted wall building rate would be sum of rates of A and B, \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Actual rate is given in description as \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Difference in number of bricks PER HOUR given as 180. \n" ); document.write( "If b is number of bricks in 1 wall, then \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " |