document.write( "Question 120259: Average...\r
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Algebra.Com's Answer #88135 by Edwin McCravy(20086)\"\" \"About 
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SOLUTION BY EDWIN:\r
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document.write( "Use the formula\r\n" );
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document.write( "                          FIRST NUMBER + SECOND NUMBER \r\n" );
document.write( "AVERAGE OF TWO NUMBERS = ------------------------------\r\n" );
document.write( "                                       2\r\n" );
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document.write( "AVERAGE OF TWO NUMBERS = \"%28x%2F3+%2B+%282x%29%2F5%29%2F2\"\r\n" );
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document.write( "Write the 2 on the bottome as \"2%2F1\" so everything\r\n" );
document.write( "will be a fraction:\r\n" );
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document.write( "AVERAGE OF TWO NUMBERS = \"%28x%2F3+%2B+%282x%29%2F5%29%2F%282%2F1%29\"\r\n" );
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document.write( "Put parentheses around all terms top and bottom:\r\n" );
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document.write( "AVERAGE OF TWO NUMBERS = \"%28%28x%2F3%29+%2B+%28%282x%29%2F5%29%29%2F%28%282%2F1%29%29\"\r\n" );
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document.write( "The LCD of all three denominators 3,5,and 1 is 15,\r\n" );
document.write( "so multiply every term on top and bottom by 15, written\r\n" );
document.write( "as \"%2815%2F1%29\":\r\n" );
document.write( "(15/1)\r\n" );
document.write( "AVERAGE OF TWO NUMBERS = \"%28%2815%2F1%29%28x%2F3%29+%2B+%2815%2F1%29%28%282x%29%2F5%29%29%2F%2815%2F1%29%282%2F1%29\"\r\n" );
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document.write( "Cancel the 3 into the 15 in the first term on top.\r\n" );
document.write( "Cancel the 5 into the 15, getting 3 in the second term on top.\r\n" );
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document.write( "                           5          3 \r\n" );
document.write( "AVERAGE OF TWO NUMBERS = \r\n" );
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document.write( "So we end up with\r\n" );
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document.write( "AVERAGE OF TWO NUMBERS = \"%285x+%2B+6x%29%2F30\" or\r\n" );
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document.write( "AVERAGE OF TWO NUMBERS = \"%2811x%29%2F30\"\r\n" );
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document.write( "Edwin
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