document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=214179>Question 214179</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a walkathon to raise money for a charity, Elisa walked a certin distance at 5mi/h and then jogged twice that distance at 8mi/h. Her total time walking and jogging was 2 h and 15 min. How many miles long was the walkathon? ( hint: time equals distance over rate.) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #161783 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=161783\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I would write 2 equations, 1 for<BR>\n" );
document.write( "jogging and 1 for walking<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5Bj%5D+=+r%5Bj%5D%2At%5Bj%5D ALIGN=MIDDLE  ALT=\"d%5Bj%5D+=+r%5Bj%5D%2At%5Bj%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5Bw%5D+=+r%5Bw%5D%2At%5Bw%5D ALIGN=MIDDLE  ALT=\"d%5Bw%5D+=+r%5Bw%5D%2At%5Bw%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "----------------------<BR>\n" );
document.write( "given:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5Bj%5D+=+8 ALIGN=MIDDLE  ALT=\"r%5Bj%5D+=+8\"   DISABLED_style= \"max-width:90%; height:auto;\" > mi/hr<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5Bw%5D+=+5 ALIGN=MIDDLE  ALT=\"r%5Bw%5D+=+5\"   DISABLED_style= \"max-width:90%; height:auto;\" > mi/hr<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5Bj%5D+=+2d%5Bw%5D ALIGN=MIDDLE  ALT=\"d%5Bj%5D+=+2d%5Bw%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5Bj%5D+%2B+t%5Bw%5D+=+2.25 ALIGN=MIDDLE  ALT=\"t%5Bj%5D+%2B+t%5Bw%5D+=+2.25\"   DISABLED_style= \"max-width:90%; height:auto;\" > hrs<BR>\n" );
document.write( "------------------------<BR>\n" );
document.write( "Now rewrite the equations<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5Bj%5D+=+r%5Bj%5D%2At%5Bj%5D ALIGN=MIDDLE  ALT=\"d%5Bj%5D+=+r%5Bj%5D%2At%5Bj%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2d%5Bw%5D+=+8%2A%282.25+-+t%5Bw%5D%29 ALIGN=MIDDLE  ALT=\"2d%5Bw%5D+=+8%2A%282.25+-+t%5Bw%5D%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2d%5Bw%5D+=+18+-+8t%5Bw%5D ALIGN=MIDDLE  ALT=\"2d%5Bw%5D+=+18+-+8t%5Bw%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5Bw%5D+%2B+4t%5Bw%5D+=+9 ALIGN=MIDDLE  ALT=\"d%5Bw%5D+%2B+4t%5Bw%5D+=+9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5Bw%5D+=+r%5Bw%5D%2At%5Bw%5D ALIGN=MIDDLE  ALT=\"d%5Bw%5D+=+r%5Bw%5D%2At%5Bw%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5Bw%5D+=+5t%5Bw%5D ALIGN=MIDDLE  ALT=\"d%5Bw%5D+=+5t%5Bw%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Substituting:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5t%5Bw%5D+%2B+4t%5Bw%5D+=+9 ALIGN=MIDDLE  ALT=\"5t%5Bw%5D+%2B+4t%5Bw%5D+=+9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9t%5Bw%5D+=+9 ALIGN=MIDDLE  ALT=\"9t%5Bw%5D+=+9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5Bw%5D+=+1 ALIGN=MIDDLE  ALT=\"t%5Bw%5D+=+1\"   DISABLED_style= \"max-width:90%; height:auto;\" > hr<BR>\n" );
document.write( "And, since<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5Bw%5D+=+5t%5Bw%5D ALIGN=MIDDLE  ALT=\"d%5Bw%5D+=+5t%5Bw%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5Bw%5D+=+5 ALIGN=MIDDLE  ALT=\"d%5Bw%5D+=+5\"   DISABLED_style= \"max-width:90%; height:auto;\" > mi<BR>\n" );
document.write( "And, since<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5Bj%5D+=+2d%5Bw%5D ALIGN=MIDDLE  ALT=\"d%5Bj%5D+=+2d%5Bw%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5Bj%5D+=+2%2A5 ALIGN=MIDDLE  ALT=\"d%5Bj%5D+=+2%2A5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5Bj%5D+=+10 ALIGN=MIDDLE  ALT=\"d%5Bj%5D+=+10\"   DISABLED_style= \"max-width:90%; height:auto;\" > mi<BR>\n" );
document.write( "The walkathon was <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5+%2B+10+=+15 ALIGN=MIDDLE  ALT=\"5+%2B+10+=+15\"   DISABLED_style= \"max-width:90%; height:auto;\" > mi<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5Bj%5D+=+r%5Bj%5D%2At%5Bj%5D ALIGN=MIDDLE  ALT=\"d%5Bj%5D+=+r%5Bj%5D%2At%5Bj%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10+=+8%2At%5Bj%5D ALIGN=MIDDLE  ALT=\"10+=+8%2At%5Bj%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5Bj%5D+=+1.25 ALIGN=MIDDLE  ALT=\"t%5Bj%5D+=+1.25\"   DISABLED_style= \"max-width:90%; height:auto;\" > hr<BR>\n" );
document.write( "and<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5Bw%5D+=+r%5Bw%5D%2At%5Bw%5D ALIGN=MIDDLE  ALT=\"d%5Bw%5D+=+r%5Bw%5D%2At%5Bw%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5+=+5%2At%5Bw%5D ALIGN=MIDDLE  ALT=\"5+=+5%2At%5Bw%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5Bw%5D+=+1 ALIGN=MIDDLE  ALT=\"t%5Bw%5D+=+1\"   DISABLED_style= \"max-width:90%; height:auto;\" > hr<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5Bj%5D+%2B+t%5Bw%5D+=+2.25 ALIGN=MIDDLE  ALT=\"t%5Bj%5D+%2B+t%5Bw%5D+=+2.25\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );