document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=550377>Question 550377</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A man bought a certain number of chairs for Rs 10,000.He kept one for his own use and sold the rest at the rate Rs 50 more than he gave for one chair.Besides getting his own chair for nothing,he made a profit of Rs 450.How many chairs did he buy?pls...help me. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #358681 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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/cgi-bin/show-face.mpl?user=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=358681\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A man bought a certain number of chairs for Rs 10,000.He kept one for his own use and sold the rest at the rate Rs 50 more than he gave for one chair.Besides getting his own chair for nothing,he made a profit of Rs 450.How many chairs did he buy?pls...help me.\r<BR>\n" );
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document.write( "number of chairs bought = x\r<BR>\n" );
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document.write( "He sold x- 1 chairs\r<BR>\n" );
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document.write( "CP of one chair = 10000/x\r<BR>\n" );
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document.write( "SP= (10000/x)  + 50\r<BR>\n" );
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document.write( "SP of (x-1) chairs =<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-1%29%28%2810000%2Fx%29+%2B50%29 ALIGN=MIDDLE  ALT=\"%28x-1%29%28%2810000%2Fx%29+%2B50%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "SP-CP= profit\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-1%29%28%2810000%2Fx%29+%2B50%29+-10000=+450 ALIGN=MIDDLE  ALT=\"%28x-1%29%28%2810000%2Fx%29+%2B50%29+-10000=+450\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-1%29%28%2810000%2B50x%29%2Fx%29%29-10000=450 ALIGN=MIDDLE  ALT=\"%28x-1%29%28%2810000%2B50x%29%2Fx%29%29-10000=450\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "multiply equation by x\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-1%29%2810000%2B50x%29-10000x=450x ALIGN=MIDDLE  ALT=\"%28x-1%29%2810000%2B50x%29-10000x=450x\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "10000x+50x^2-10000-50x-10000x=450x\r<BR>\n" );
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document.write( "50x^2-500x-10000=0<BR>\n" );
document.write( "/50<BR>\n" );
document.write( "x^2-10x-200=0\r<BR>\n" );
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document.write( "x^2-20x+10x-200=0<BR>\n" );
document.write( "x(x-20)+10(x-20)=0<BR>\n" );
document.write( "(x-20)(x+10)=0<BR>\n" );
document.write( "x= 20 which is positive.<BR>\n" );
document.write( "Number of chairs bought = 20	\r<BR>\n" );
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document.write( " </SPAN>\n" );
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