document.write( "Question 273631: The average of a list of positive numbers is 20 per cent of the sum of the
\n" ); document.write( "numbers. How many numbers are there in the list?\r
\n" ); document.write( "\n" ); document.write( "(A) 5 (B) 20 (C) 80 (D) 100 (E) Cannot be said.
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Algebra.Com's Answer #199873 by stanbon(75887)\"\" \"About 
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The average of a list of positive numbers is 20 per cent of the sum of the
\n" ); document.write( "numbers. How many numbers are there in the list?
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\n" ); document.write( "Let the sum be \"x\":
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\n" ); document.write( "Average = sum/#
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\n" ); document.write( "Average = 0.20x
\n" ); document.write( "sum/# = 0.20x
\n" ); document.write( "x/# = 0.20x
\n" ); document.write( "# = 1/0.20
\n" ); document.write( "# = 5
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.\r
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\n" ); document.write( "(A) 5 (B) 20 (C) 80 (D) 100 (E) Cannot be said.
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