document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=745393>Question 745393</A>: <I><SPAN STYLE=\"word-break: break-all;\"> jan hiked up a hill at 4 mi/hr and back down at 6 mi/hr.  Her total hiking time was 3 hours.  how long did the trip up the hill take her? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #453838 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39627)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=453838\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Distance up and distance down are same.\r<BR>\n" );
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document.write( "r*t=d, t=d/r\r<BR>\n" );
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document.write( "Up hill:  4*x=d<BR>\n" );
document.write( "Down hill: 6*y=d<BR>\n" );
document.write( "4x=6y<BR>\n" );
document.write( "x+y=3 hours.\r<BR>\n" );
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document.write( "The description yields the system:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4x=6y ALIGN=MIDDLE  ALT=\"4x=6y\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2By=3 ALIGN=MIDDLE  ALT=\"x%2By=3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Just solve this system for x and y.<BR>\n" );
document.write( "x is how much time up the hill. </SPAN>\n" );
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