document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=720281>Question 720281</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I know the solution but I don't know how to get there. R=r/1-t solve for t </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #441741 by </B><A HREF=/tutors/aboutme.mpl?userid=Simnepi><B>Simnepi(216)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Simnepi><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=Simnepi><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=441741\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Remove the fraction by multiplying by 1-t<BR>\n" );
document.write( "so we have<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281-t%29%2AR=%281-t%29%28r%2F%281-t%29%29 ALIGN=MIDDLE  ALT=\"%281-t%29%2AR=%281-t%29%28r%2F%281-t%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Simplifying by cancelling on the left hand side gives us<BR>\n" );
document.write( "(1-t)R=r<BR>\n" );
document.write( "now we divide by R to leave the 1-t on its own, giving<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%281-t%29R%29%2FR=r%2FR ALIGN=MIDDLE  ALT=\"%28%281-t%29R%29%2FR=r%2FR\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "simplifying by cancelling on the right hand side gives<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1-t=r%2FR ALIGN=MIDDLE  ALT=\"1-t=r%2FR\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "now take 1 from both sides to give <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1-t-1=%28r%2FR%29-1 ALIGN=MIDDLE  ALT=\"1-t-1=%28r%2FR%29-1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "simplify to get<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-t=%28r%2FR%29-1 ALIGN=MIDDLE  ALT=\"-t=%28r%2FR%29-1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "then reverse the signs<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=1-%28r%2FR%29 ALIGN=MIDDLE  ALT=\"t=1-%28r%2FR%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );