document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=733167>Question 733167</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A race consists of a 20-mile bike ride and a 12-mile run. Jen’s rate while <BR>\n" );
document.write( "biking is 4 mi/h faster than while running. She completes the race in 4 hours.<BR>\n" );
document.write( " a. Let r be Jen’s rate while biking. <BR>\n" );
document.write( "Copy and complete the table.<BR>\n" );
document.write( " b. Use the information in the Time <BR>\n" );
document.write( "column to write a rational equation.<BR>\n" );
document.write( " c. Solve the equation to find Jen’s rate <BR>\n" );
document.write( "while biking. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #448294 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=448294\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> rates:<BR>\n" );
document.write( "biking: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r+ ALIGN=MIDDLE  ALT=\"+r+\"   DISABLED_style= \"max-width:90%; height:auto;\" > mi/hr<BR>\n" );
document.write( "running: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r+-+4+ ALIGN=MIDDLE  ALT=\"+r+-+4+\"   DISABLED_style= \"max-width:90%; height:auto;\" > mi/hr<BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "distances:<BR>\n" );
document.write( "biking: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+20+ ALIGN=MIDDLE  ALT=\"+20+\"   DISABLED_style= \"max-width:90%; height:auto;\" > mi<BR>\n" );
document.write( "running: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+12+ ALIGN=MIDDLE  ALT=\"+12+\"   DISABLED_style= \"max-width:90%; height:auto;\" > mi<BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "times:<BR>\n" );
document.write( "biking: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+20%2Fr+ ALIGN=MIDDLE  ALT=\"+20%2Fr+\"   DISABLED_style= \"max-width:90%; height:auto;\" > hrs<BR>\n" );
document.write( "running: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+12%2F%28+r+-+4+%29+ ALIGN=MIDDLE  ALT=\"+12%2F%28+r+-+4+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+20%2Fr+%2B+12%2F%28r+-+4%29+=+4+ ALIGN=MIDDLE  ALT=\"+20%2Fr+%2B+12%2F%28r+-+4%29+=+4+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Multiply both sides by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r%2A%28+r+-+4+%29+ ALIGN=MIDDLE  ALT=\"+r%2A%28+r+-+4+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+20%2A%28+r+-+4+%29+%2B+12r+=+4r%2A%28+r+-+4+%29+ ALIGN=MIDDLE  ALT=\"+20%2A%28+r+-+4+%29+%2B+12r+=+4r%2A%28+r+-+4+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+20r+-+80+%2B+12r+=+4r%5E2+-+16r+ ALIGN=MIDDLE  ALT=\"+20r+-+80+%2B+12r+=+4r%5E2+-+16r+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+4r%5E2+-+20r+-+16r+-+12r+%2B+80+=+0+ ALIGN=MIDDLE  ALT=\"+4r%5E2+-+20r+-+16r+-+12r+%2B+80+=+0+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+4r%5E2+-+48r+%2B+80+=+0+ ALIGN=MIDDLE  ALT=\"+4r%5E2+-+48r+%2B+80+=+0+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r%5E2+-+12r+%2B+20+=+0+ ALIGN=MIDDLE  ALT=\"+r%5E2+-+12r+%2B+20+=+0+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+r+-+2+%29%2A%28+r+-+10+%29+=+0+ ALIGN=MIDDLE  ALT=\"+%28+r+-+2+%29%2A%28+r+-+10+%29+=+0+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The 2 answers are:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r+=+2+ ALIGN=MIDDLE  ALT=\"+r+=+2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r+=+10+ ALIGN=MIDDLE  ALT=\"+r+=+10+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r+ ALIGN=MIDDLE  ALT=\"+r+\"   DISABLED_style= \"max-width:90%; height:auto;\" > can't be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2+ ALIGN=MIDDLE  ALT=\"+2+\"   DISABLED_style= \"max-width:90%; height:auto;\" > since I have to subtract <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+4+ ALIGN=MIDDLE  ALT=\"+4+\"   DISABLED_style= \"max-width:90%; height:auto;\" > from it<BR>\n" );
document.write( "to get the running speed, so<BR>\n" );
document.write( "Jen's rate while biking is 10 mi/hr<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+20%2A%28+r+-+4+%29+%2B+12r+=+4r%2A%28+r+-+4+%29+ ALIGN=MIDDLE  ALT=\"+20%2A%28+r+-+4+%29+%2B+12r+=+4r%2A%28+r+-+4+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+20%2A%28+10+-+4+%29+%2B+12%2A10+=+4%2A10%2A%28+10+-+4+%29+ ALIGN=MIDDLE  ALT=\"+20%2A%28+10+-+4+%29+%2B+12%2A10+=+4%2A10%2A%28+10+-+4+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+20%2A6+%2B+120+=+40%2A6+ ALIGN=MIDDLE  ALT=\"+20%2A6+%2B+120+=+40%2A6+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+240+=+240+ ALIGN=MIDDLE  ALT=\"+240+=+240+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );