document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1094064>Question 1094064</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Walt rode his bike from home to the bicycle repair shop and then walked home. He averaged 18 km/h riding and 6 km/h walking. If his total travel time was one hour, how far is it to the shop from Walt's home? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #708654 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13215)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=708654\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br>First a traditional solution using formal algebra....<br><BR>\n" );
document.write( "Let the distance (in km) be d.  Then the number of hours it took him to ride to the repair shop at 18 km/hr is d/18; the number of hours it took him to walk home at 6 km/hr is d/6.  Since the total time was 1 hour,<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%2F18+%2B+d%2F6+=+1 ALIGN=MIDDLE  ALT=\"d%2F18+%2B+d%2F6+=+1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d+%2B+3d+=+18 ALIGN=MIDDLE  ALT=\"d+%2B+3d+=+18\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4d+=+18 ALIGN=MIDDLE  ALT=\"4d+=+18\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d+=+4.5 ALIGN=MIDDLE  ALT=\"d+=+4.5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "The distance from his home to the repair shop was 4.5 km.<br><BR>\n" );
document.write( "And now for a solution that is made easier by first doing some logical analysis....<br><BR>\n" );
document.write( "His walking speed is 1/3 as fast as his riding speed.  Since he traveled the same distance riding and walking, he spent 3 times as much time walking as he did riding.  Since the total time was 1 hour, he rode for 1/4 hour and walked for 3/4 hour.  Then you can find the distance to the repair shop using either the riding part of the trip...<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=18%2A%281%2F4%29+=+4.5 ALIGN=MIDDLE  ALT=\"18%2A%281%2F4%29+=+4.5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "or the walking part...<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6+%2A+%283%2F4%29+=+4.5 ALIGN=MIDDLE  ALT=\"6+%2A+%283%2F4%29+=+4.5\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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