document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=914369>Question 914369</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A man running for 8 miles and walking for 2 miles covers 10 miles in 1 hr.18 mins. If he runs 6 miles and walk 4 miles, the distance takes him 1 hr. 36 mins. What are his running and walking speed?<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 #555104 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=555104\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A man running for 8 miles and walking for 2 miles covers 10 miles in 1 hr.18 mins.<BR>\n" );
document.write( " If he runs 6 miles and walk 4 miles, the distance takes him 1 hr. 36 mins.<BR>\n" );
document.write( " What are his running and walking speed?<BR>\n" );
document.write( ":<BR>\n" );
document.write( "let  w = speed walking<BR>\n" );
document.write( "let  r = speed running<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Change 1 hr 18 min to hrs. 1 + 18/60 = 1.3 hrs<BR>\n" );
document.write( "Change 1 hr 36 min to hrs. 1 + 36/60 = 1.6 hrs<BR>\n" );
document.write( ":<BR>\n" );
document.write( "A time equation for each scenario; time = dist/speed<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8%2Fr ALIGN=MIDDLE  ALT=\"8%2Fr\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2Fw ALIGN=MIDDLE  ALT=\"2%2Fw\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 1.3<BR>\n" );
document.write( "and<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6%2Fr ALIGN=MIDDLE  ALT=\"6%2Fr\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2Fw ALIGN=MIDDLE  ALT=\"4%2Fw\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 1.6<BR>\n" );
document.write( ":<BR>\n" );
document.write( "multiply the 1st equation by 2, subtract the 2nd equation<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=16%2Fr ALIGN=MIDDLE  ALT=\"16%2Fr\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2Fw ALIGN=MIDDLE  ALT=\"4%2Fw\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 2.6<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6%2Fr ALIGN=MIDDLE  ALT=\"6%2Fr\"   DISABLED_style= \"max-width:90%; height:auto;\" >  + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2Fw ALIGN=MIDDLE  ALT=\"4%2Fw\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 1.6<BR>\n" );
document.write( "------------------------------subtraction eliminates w, find r<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10%2Fr ALIGN=MIDDLE  ALT=\"10%2Fr\"   DISABLED_style= \"max-width:90%; height:auto;\" > + 0 = 1.0\<BR>\n" );
document.write( "multiply both sides by r<BR>\n" );
document.write( "r = 10 mph is the running speed<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Find w<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8%2F10 ALIGN=MIDDLE  ALT=\"8%2F10\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2Fw ALIGN=MIDDLE  ALT=\"2%2Fw\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 1.3<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2Fw ALIGN=MIDDLE  ALT=\"2%2Fw\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 1.3 - .8<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2Fw ALIGN=MIDDLE  ALT=\"2%2Fw\"   DISABLED_style= \"max-width:90%; height:auto;\" > = .5<BR>\n" );
document.write( "2 = .5w<BR>\n" );
document.write( "w = 4 mph is the walking speed<BR>\n" );
document.write( ":<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Check in the 2nd equation<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6%2F10 ALIGN=MIDDLE  ALT=\"6%2F10\"   DISABLED_style= \"max-width:90%; height:auto;\" >  + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2F4 ALIGN=MIDDLE  ALT=\"4%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 1.6\r<BR>\n" );
document.write( "\n" );
document.write( "  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );