document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=588205>Question 588205</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A  takes 1 hour longer than B  to walk 30km, A's pace was doubled,then A would take 2 hours less than B. find their rates of walking. pls. help me to solve this problem it's getting on my nerves....<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #374523 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=374523\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A takes 1 hour longer than B to walk 30km,<BR>\n" );
document.write( " A's pace was doubled, then A would take 2 hours less than B. <BR>\n" );
document.write( "find their rates of walking.<BR>\n" );
document.write( ":<BR>\n" );
document.write( "let a = A's walking pace (km/hr)<BR>\n" );
document.write( "let b = B's walking pace<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Write a time equation for their normal pace; Time = dist/speed<BR>\n" );
document.write( "A's time - B's time = 1 hr<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2Fa ALIGN=MIDDLE  ALT=\"30%2Fa\"   DISABLED_style= \"max-width:90%; height:auto;\" > - <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2Fb ALIGN=MIDDLE  ALT=\"30%2Fb\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 1<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Write a time equation when A has doubled his pace<BR>\n" );
document.write( "B's time -  A's time = 2 hrs<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2Fb ALIGN=MIDDLE  ALT=\"30%2Fb\"   DISABLED_style= \"max-width:90%; height:auto;\" > - <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2F%282a%29 ALIGN=MIDDLE  ALT=\"30%2F%282a%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 2<BR>\n" );
document.write( "Reduce the fraction<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2Fb ALIGN=MIDDLE  ALT=\"30%2Fb\"   DISABLED_style= \"max-width:90%; height:auto;\" > - <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=15%2Fa ALIGN=MIDDLE  ALT=\"15%2Fa\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 2<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Arrange these two equations to use elimination here<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2Fa ALIGN=MIDDLE  ALT=\"30%2Fa\"   DISABLED_style= \"max-width:90%; height:auto;\" > - <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2Fb ALIGN=MIDDLE  ALT=\"30%2Fb\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 1<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-15%2F%28a%29 ALIGN=MIDDLE  ALT=\"-15%2F%28a%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2Fb ALIGN=MIDDLE  ALT=\"30%2Fb\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 2<BR>\n" );
document.write( "-----------------------Addition eliminates b, find a<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=15%2Fa ALIGN=MIDDLE  ALT=\"15%2Fa\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 3<BR>\n" );
document.write( "15 = 3a<BR>\n" );
document.write( "a = 15/3<BR>\n" );
document.write( "a = 5 km/hr, A's original speed<BR>\n" );
document.write( ";<BR>\n" );
document.write( "Find b using the 1st original equation<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2F5 ALIGN=MIDDLE  ALT=\"30%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" > - <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2Fb ALIGN=MIDDLE  ALT=\"30%2Fb\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 1<BR>\n" );
document.write( "6 - <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2Fb ALIGN=MIDDLE  ALT=\"30%2Fb\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 1<BR>\n" );
document.write( " -<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2Fb ALIGN=MIDDLE  ALT=\"30%2Fb\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 1 - 6<BR>\n" );
document.write( " -<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2Fb ALIGN=MIDDLE  ALT=\"30%2Fb\"   DISABLED_style= \"max-width:90%; height:auto;\" > = -5<BR>\n" );
document.write( "30 = 5b<BR>\n" );
document.write( "b = 30/5<BR>\n" );
document.write( "b = 6 km/hr is B's original speed<BR>\n" );
document.write( ":<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Check this when A doubles his speed (10 km/hr)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2F6 ALIGN=MIDDLE  ALT=\"30%2F6\"   DISABLED_style= \"max-width:90%; height:auto;\" > - <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2F10 ALIGN=MIDDLE  ALT=\"30%2F10\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <BR>\n" );
document.write( "5 - 3 = 2 hrs<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Hopefully we have restored your nerves to an agreeable level. C </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );