document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=182633>Question 182633</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Jon walked 5 miles to school then ran the same distance home. His speed on the trip home was 5 miles faster than the speed he had walked. If the trip home took 45 minutes less time, what was his walking speed? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #137152 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=137152\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Walking to school:<BR>\n" );
document.write( "(1) <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( "Running home:<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5Br%5D+=+r%5Br%5D%2At%5Br%5D ALIGN=MIDDLE  ALT=\"d%5Br%5D+=+r%5Br%5D%2At%5Br%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "given:<BR>\n" );
document.write( "(3) <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( "(4) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5Br%5D+=+5 ALIGN=MIDDLE  ALT=\"d%5Br%5D+=+5\"   DISABLED_style= \"max-width:90%; height:auto;\" > mi<BR>\n" );
document.write( "(5) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5Br%5D+=+t%5Bw%5D+-+3%2F4 ALIGN=MIDDLE  ALT=\"t%5Br%5D+=+t%5Bw%5D+-+3%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" > hr<BR>\n" );
document.write( "(6) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5Br%5D+=+r%5Bw%5D+%2B+5 ALIGN=MIDDLE  ALT=\"r%5Br%5D+=+r%5Bw%5D+%2B+5\"   DISABLED_style= \"max-width:90%; height:auto;\" > mi/hr<BR>\n" );
document.write( "---------------------------<BR>\n" );
document.write( "Now I can rewrite (1) and (2)<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5+=+r%5Bw%5D%2At%5Bw%5D ALIGN=MIDDLE  ALT=\"5+=+r%5Bw%5D%2At%5Bw%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5+=+%28r%5Bw%5D+%2B+5%29%2A%28t%5Bw%5D+-+3%2F4%29 ALIGN=MIDDLE  ALT=\"5+=+%28r%5Bw%5D+%2B+5%29%2A%28t%5Bw%5D+-+3%2F4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5+=+r%5Bw%5D%2At%5Bw%5D+%2B+5t%5Bw%5D+-+%283%2F4%29%2Ar%5Bw%5D+-+15%2F4 ALIGN=MIDDLE  ALT=\"5+=+r%5Bw%5D%2At%5Bw%5D+%2B+5t%5Bw%5D+-+%283%2F4%29%2Ar%5Bw%5D+-+15%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5+=+5+%2B+5t%5Bw%5D+-+%283%2F4%29%2Ar%5Bw%5D+-+15%2F4 ALIGN=MIDDLE  ALT=\"5+=+5+%2B+5t%5Bw%5D+-+%283%2F4%29%2Ar%5Bw%5D+-+15%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0+=+20t%5Bw%5D+-+3r%5Bw%5D+-+15 ALIGN=MIDDLE  ALT=\"0+=+20t%5Bw%5D+-+3r%5Bw%5D+-+15\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0+=+20t%5Bw%5D+-+3%2A%285%2Ft%5Bw%5D%29+-+15 ALIGN=MIDDLE  ALT=\"0+=+20t%5Bw%5D+-+3%2A%285%2Ft%5Bw%5D%29+-+15\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20%2A%28t%5Bw%5D%29%5E2+-+15t%5Bw%5D+-+15+=+0 ALIGN=MIDDLE  ALT=\"20%2A%28t%5Bw%5D%29%5E2+-+15t%5Bw%5D+-+15+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2A%28t%5Bw%5D%29%5E2+-+3t%5Bw%5D+-+3+=+0 ALIGN=MIDDLE  ALT=\"4%2A%28t%5Bw%5D%29%5E2+-+3t%5Bw%5D+-+3+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "----------------------------<BR>\n" );
document.write( "For now I'll say <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5Bw%5D+=+x ALIGN=MIDDLE  ALT=\"t%5Bw%5D+=+x\"   DISABLED_style= \"max-width:90%; height:auto;\" > and use the <BR>\n" );
document.write( "quadratic formula<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+ ALIGN=MIDDLE  ALT=\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a+=+4 ALIGN=MIDDLE  ALT=\"a+=+4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b+=+-3 ALIGN=MIDDLE  ALT=\"b+=+-3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c+=+-3 ALIGN=MIDDLE  ALT=\"c+=+-3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-%28-3%29+%2B-+sqrt%28+%28-3%29%5E2-4%2A4%2A%28-3%29+%29%29%2F%282%2A4%29+ ALIGN=MIDDLE  ALT=\"x+=+%28-%28-3%29+%2B-+sqrt%28+%28-3%29%5E2-4%2A4%2A%28-3%29+%29%29%2F%282%2A4%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28+3+%2B-+sqrt%28+9+%2B+48+%29%29%2F8+ ALIGN=MIDDLE  ALT=\"x+=+%28+3+%2B-+sqrt%28+9+%2B+48+%29%29%2F8+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28+3+%2B-+sqrt%28+57+%29%29%2F8+ ALIGN=MIDDLE  ALT=\"x+=+%28+3+%2B-+sqrt%28+57+%29%29%2F8+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28+3+%2B-+7.55%29%2F8+ ALIGN=MIDDLE  ALT=\"x+=+%28+3+%2B-+7.55%29%2F8+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+10.55%2F8 ALIGN=MIDDLE  ALT=\"x+=+10.55%2F8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+1.32 ALIGN=MIDDLE  ALT=\"x+=+1.32\"   DISABLED_style= \"max-width:90%; height:auto;\" > hr<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5+=+r%5Bw%5D%2At%5Bw%5D ALIGN=MIDDLE  ALT=\"5+=+r%5Bw%5D%2At%5Bw%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5+=+1.32%2Ar%5Bw%5D ALIGN=MIDDLE  ALT=\"5+=+1.32%2Ar%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=r%5Bw%5D+=+5%2F1.32 ALIGN=MIDDLE  ALT=\"r%5Bw%5D+=+5%2F1.32\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5Bw%5D+=+3.79 ALIGN=MIDDLE  ALT=\"r%5Bw%5D+=+3.79\"   DISABLED_style= \"max-width:90%; height:auto;\" > mi/hr<BR>\n" );
document.write( "His walking speed was 3.79 mi/hr<BR>\n" );
document.write( "------------------------------<BR>\n" );
document.write( "check answer<BR>\n" );
document.write( "(6) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5Br%5D+=+r%5Bw%5D+%2B+5 ALIGN=MIDDLE  ALT=\"r%5Br%5D+=+r%5Bw%5D+%2B+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=r%5Br%5D+=+3.79+%2B+5 ALIGN=MIDDLE  ALT=\"r%5Br%5D+=+3.79+%2B+5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5Br%5D+=+8.79 ALIGN=MIDDLE  ALT=\"r%5Br%5D+=+8.79\"   DISABLED_style= \"max-width:90%; height:auto;\" > mi/hr<BR>\n" );
document.write( "(1) <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+=+3.79%2At%5Bw%5D ALIGN=MIDDLE  ALT=\"5+=+3.79%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+=+1.32 ALIGN=MIDDLE  ALT=\"t%5Bw%5D+=+1.32\"   DISABLED_style= \"max-width:90%; height:auto;\" > hr<BR>\n" );
document.write( "(5) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5Br%5D+=+t%5Bw%5D+-+3%2F4 ALIGN=MIDDLE  ALT=\"t%5Br%5D+=+t%5Bw%5D+-+3%2F4\"   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%5Br%5D+=+1.32+-+.75 ALIGN=MIDDLE  ALT=\"t%5Br%5D+=+1.32+-+.75\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5Br%5D+=+.57 ALIGN=MIDDLE  ALT=\"t%5Br%5D+=+.57\"   DISABLED_style= \"max-width:90%; height:auto;\" > hr<BR>\n" );
document.write( "---------------------<BR>\n" );
document.write( "(1) <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+=+3.79%2A1.32 ALIGN=MIDDLE  ALT=\"5+=+3.79%2A1.32\"   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 ALIGN=MIDDLE  ALT=\"5+=+5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5Br%5D+=+r%5Br%5D%2At%5Br%5D ALIGN=MIDDLE  ALT=\"d%5Br%5D+=+r%5Br%5D%2At%5Br%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+=+8.79%2A.57 ALIGN=MIDDLE  ALT=\"5+=+8.79%2A.57\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5+=+5.01 ALIGN=MIDDLE  ALT=\"5+=+5.01\"   DISABLED_style= \"max-width:90%; height:auto;\" > close enough \r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );