document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1054732>Question 1054732</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Caitlin recently rode her bicycle to visit her friend who lives 12 miles away. On her way there, her average speed was 10 miles per hour faster than on her way home. If Caitlin spent a total of 1 hour bicycling, find the two rates. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #669938 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=669938\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 12/r + 12/(r+10) = 1<BR>\n" );
document.write( "Multiply thru by r(r+10)<BR>\n" );
document.write( "12(r+10) + 12r = r(r+10)<BR>\n" );
document.write( "12r + 120 + 12r = r^2 + 10r<BR>\n" );
document.write( "r^2 - 14r - 120 = 0<BR>\n" );
document.write( "(r + 6)(r-20) = 0<BR>\n" );
document.write( "r = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%2820mph%29 ALIGN=MIDDLE  ALT=\"highlight%2820mph%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >  and r+10 =  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%2830mph%29 ALIGN=MIDDLE  ALT=\"highlight%2830mph%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );