document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1004535>Question 1004535</A>: <I><SPAN STYLE=\"word-break: break-all;\"> There are 648 more blue pens than red pens in stationary shop. After 1/6 of the blue pens and 3/4 of the red pens were sold, there were 1338 more blue pens than red pens left. How many pens were there at first. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #621078 by </B><A HREF=/tutors/aboutme.mpl?userid=maxitee><B>maxitee(11)</B></A><img src=\"/images/stars/stars-06.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=maxitee><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=621078\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let's call the Blue pens B and the Red pens R.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B+=+R+%2B+648 ALIGN=MIDDLE  ALT=\"B+=+R+%2B+648\"   DISABLED_style= \"max-width:90%; height:auto;\" > (From the question)... Equation(i)\r<BR>\n" );
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document.write( "Upon selling 1/6 of blue pens, we now have a new amount of Blue pens. We shall call this new amount of blue pen Bn)\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Bn+=+B-B%2F6 ALIGN=MIDDLE  ALT=\"Bn+=+B-B%2F6\"   DISABLED_style= \"max-width:90%; height:auto;\" >, (Where B is the original amount of Blues)\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Rn=++R+-+3R%2F4 ALIGN=MIDDLE  ALT=\"Rn=++R+-+3R%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" > (Same thing applies to Reds after selling 3/4)\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Bn+=+Rn+%2B+1338 ALIGN=MIDDLE  ALT=\"Bn+=+Rn+%2B+1338\"   DISABLED_style= \"max-width:90%; height:auto;\" > (Because blues had 1338 more than red after sales)\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B+-+B%2F6+=+R-+3R%2F4+%2B+1338 ALIGN=MIDDLE  ALT=\"B+-+B%2F6+=+R-+3R%2F4+%2B+1338\"   DISABLED_style= \"max-width:90%; height:auto;\" > (Substituting the values of Bn and Rn into above equation)\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5B%2F6+=+R%2F4+%2B+1338 ALIGN=MIDDLE  ALT=\"5B%2F6+=+R%2F4+%2B+1338\"   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=%285R+%2B+3240%29%2F6+=+%28R%2B5352%29%2F4 ALIGN=MIDDLE  ALT=\"%285R+%2B+3240%29%2F6+=+%28R%2B5352%29%2F4\"   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=6R+%2B+32112+=+20R+%2B+12960 ALIGN=MIDDLE  ALT=\"6R+%2B+32112+=+20R+%2B+12960\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-14R+=+12960+-+32112 ALIGN=MIDDLE  ALT=\"-14R+=+12960+-+32112\"   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=14R+=+19152 ALIGN=MIDDLE  ALT=\"14R+=+19152\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "R= 1368 (Total amount of RED before sales)\r<BR>\n" );
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document.write( "B = 2016 (Total amount of Blues before sales)\r<BR>\n" );
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document.write( "How many pens? Simply add up B and R. I will allow you do that..<BR>\n" );
document.write( "Enjoy! </SPAN>\n" );
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