document.write( "Question 645535: My 20% grades are 100, 99, 100, 100, 100, 100
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Algebra.Com's Answer #405527 by Edwin McCravy(20060) $\"\"$ $\"About$

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document.write( "20% grades:  100, 99, 100, 100, 100, 100 \r\n" );
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document.write( "Find the average of your 20% grades  =  = 99.833333\r\n" );
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document.write( "80% grades:   39, 100 \r\n" );
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document.write( "Find the average of your 80% grades  =  = 69.5\r\n" );
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document.write( "Grade average for class = .20(20% average) + .80(80% average)\r\n" );
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document.write( "Grade average for class = .20(99.833333) + .80(69.5) = 75.166667.\r\n" );
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document.write( "Edwin

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