document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=44796>Question 44796</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello!\r<BR>\n" );
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document.write( "Can somebody help please?\r<BR>\n" );
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document.write( "The members of a computer club were to be assessed equally to raise $400 for the purchase of software.<BR>\n" );
document.write( "When four more persons joined the club, the per-member assessment was reduced by $5.00.<BR>\n" );
document.write( "What was the new size of the club membership?\r<BR>\n" );
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document.write( "Thanks for your help and time<BR>\n" );
document.write( "geomar </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #29674 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=29674\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let \"x\" be the number of members before 4 were added.<BR>\n" );
document.write( "Price per member is $400/x\r<BR>\n" );
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document.write( "After 4 members are added the number of members is \"x+4\"<BR>\n" );
document.write( "Price per member is $400/(x+4)\r<BR>\n" );
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document.write( "EQUATION:<BR>\n" );
document.write( "(per person price before) - (per person price after)=$5\r<BR>\n" );
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document.write( "400/x - 400/(x+4) = 5<BR>\n" );
document.write( "Divide through by 5 to get:<BR>\n" );
document.write( "80/x - 80/(x+4) = 1\r<BR>\n" );
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document.write( "Multiply thru by x(x+4) to get:<BR>\n" );
document.write( "80(x+4) - 80x = x^2+4x<BR>\n" );
document.write( "320=x^2+4x<BR>\n" );
document.write( "x^2+4x-320=0<BR>\n" );
document.write( "(x+20)(x-16)=0<BR>\n" );
document.write( "x=16 (number of members before 4 were added)\r<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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