document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=12244>Question 12244</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am a parent helping with homework.  I am stumped on this one:\r<BR>\n" );
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document.write( "Solve for r:  S=(rL-a)/(r-1) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #6497 by </B><A HREF=/tutors/aboutme.mpl?userid=AdolphousC><B>AdolphousC(70)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=AdolphousC><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=6497\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This one seems confusing at first, but you just need to get the two r terms together so you can factor them out, here is how I did the problem<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+S+=+%28rL-a%29%2F%28r-1%29+ ALIGN=MIDDLE  ALT=\"+S+=+%28rL-a%29%2F%28r-1%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > Mulitply (r-1) to get it out of the denominator<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28r-1%29S+=+rL-a+ ALIGN=MIDDLE  ALT=\"+%28r-1%29S+=+rL-a+\"   DISABLED_style= \"max-width:90%; height:auto;\" > Distribute the S through r-1<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+rS+-+S+=+rL+-+a+ ALIGN=MIDDLE  ALT=\"+rS+-+S+=+rL+-+a+\"   DISABLED_style= \"max-width:90%; height:auto;\" > now we need to get both r terms on one side of the equation so we can take the GCF of 'r' out<BR>\n" );
document.write( "<LI> so we subtract rL from both sides<BR>\n" );
document.write( "<LI> add S to both sides<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+rS+-+rL+=+S+-+a+ ALIGN=MIDDLE  ALT=\"+rS+-+rL+=+S+-+a+\"   DISABLED_style= \"max-width:90%; height:auto;\" > Factor out the r on the left<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r%28S+-+L%29+=+S+-+a+ ALIGN=MIDDLE  ALT=\"+r%28S+-+L%29+=+S+-+a+\"   DISABLED_style= \"max-width:90%; height:auto;\" > Divide both sides by S - L<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r+=+%28S-a%29%2F%28S-L%29+ ALIGN=MIDDLE  ALT=\"+r+=+%28S-a%29%2F%28S-L%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Hope that helps, Mr. C </SPAN>\n" );
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