document.write( "Question 1187183: Freda is starting a youth group. She is the only member now, but her plans are to have
\n" ); document.write( "every member find 2 new members each week. If her plan works, how many
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Algebra.Com's Answer #818113 by ikleyn(52781)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "To solve the problem, I make this table of three lines.\r\n" );
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document.write( "The upper line counts weeks.\r\n" );
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document.write( "Middle line shows the number of new members to join (the increment).\r\n" );
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document.write( "The lowest line shows current total members.\r\n" );
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document.write( "week                 0               1         2         3         4\r\n" );
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document.write( "new members          1               2      3*2 = 6    9*2=18    27*2=54\r\n" );
document.write( "to join\r\n" );
document.write( "                 Freda herself\r\n" );
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document.write( "total current\r\n" );
document.write( "number of members    1             1+2=3     3+6=9     9+18=27   27+54=81     <<<---===  ANSWER\r\n" );
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\n" ); document.write( "\n" ); document.write( "From the solution,  you see that if this scheme works,  it triples the number of members each week.\r
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