document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=124672>Question 124672</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A girl walked from her home into town at the rate of 4 miles per hour. She returned by bus over the same route. The bus averaged 20 miles per hour, and the entire round trip took 1 hour and 40 minutes, including the 10 minute wait for the bus. How far did the girl walk? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #91408 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=91408\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A girl walked from her home into town at the rate of 4 miles per hour. She returned by bus over the same route. The bus averaged 20 miles per hour, and the entire round trip took 1 hour and 40 minutes, including the 10 minute wait for the bus. How far did the girl walk?<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Let's subtract the 10 min wait; The travel time totals 1.5 hrs<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Let d = distance walked (and distance by bus)<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Write a time equation: Time = Distance/speed<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Walk time + Bus time = 1.5 hrs<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%2F4 ALIGN=MIDDLE  ALT=\"d%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%2F20 ALIGN=MIDDLE  ALT=\"d%2F20\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 1.5<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Multiply equation by 20 to get rid of the denominators<BR>\n" );
document.write( "5d + d = 20(1.5)<BR>\n" );
document.write( ":<BR>\n" );
document.write( "6d = 30<BR>\n" );
document.write( "d =<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;\" ><BR>\n" );
document.write( "d = 5 miles is the distance walked<BR>\n" );
document.write( ":<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Check solution by finding the time<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5%2F4 ALIGN=MIDDLE  ALT=\"5%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5%2F20 ALIGN=MIDDLE  ALT=\"5%2F20\"   DISABLED_style= \"max-width:90%; height:auto;\" > =<BR>\n" );
document.write( "   1.25 + .25 = 1.5 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );