document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1071513>Question 1071513</A>: <I><SPAN STYLE=\"word-break: break-all;\"> This is a Distance, Rate and Time Problem: \r<BR>\n" );
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document.write( "A man walks at the rate of 4 miles per hour. How far can he walk into the country and ride back on a trolley that travels at the rate of 20 miles per hour, if he must be back home 3 hours from the time he started? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #686456 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=686456\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A man walks at the rate of 4 miles per hour.<BR>\n" );
document.write( " How far can he walk into the country and ride back on a trolley that travels at the rate of 20 miles per hour, if he must be back home 3 hours from the time he started?<BR>\n" );
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document.write( "let d = the one-way distance<BR>\n" );
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document.write( "Write a time equation. time = dist/speed<BR>\n" );
document.write( "walk time + ride time = 3 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;\" > = 3<BR>\n" );
document.write( "multiply equation by 20, cancel the denominators<BR>\n" );
document.write( "5d + d = 60<BR>\n" );
document.write( "6d = 60<BR>\n" );
document.write( " d = 10 mi he walks into the country<BR>\n" );
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document.write( "Check this, find the actual time walking and riding<BR>\n" );
document.write( "10/4 = 2.5 hrs<BR>\n" );
document.write( "10/20 = .5 hrs<BR>\n" );
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document.write( "tot time 3 hrs<BR>\n" );
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