document.write( "Question 823402: The average of ten is 15. If one number is removed, the average becomes 14. What number is removed? Please use one variable only \n" ); document.write( "

Algebra.Com's Answer #495482 by Edwin McCravy(20060) $\"\"$ $\"About$

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document.write( "The average of ten is 15.\r\n" );
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document.write( "AVERAGE = \r\n" );
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document.write( "    15 = \r\n" );
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document.write( "Multiply both sides by 10\r\n" );
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document.write( "    150 = SUM

\n" ); document.write( "If one number is removed, the average becomes 14. What number is removed?

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document.write( "Let the number removed be x\r\n" );
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document.write( "Then the sum of the remaining 9 numbers = 150-x\r\n" );
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document.write( "AVERAGE = \r\n" );
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document.write( "     14 = \r\n" );
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document.write( "Multiply both sides by 9\r\n" );
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document.write( "    126 = 150-x\r\n" );
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document.write( "      x = 24\r\n" );
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document.write( "The number removed was 24\r\n" );
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document.write( "Edwin

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