document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=946903>Question 946903</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Josie is biking across her state. It takes 23 hours to complete the 213 mile ride. For the first leg, she is pedaling downhill and is averaging a speed of 12 miles an hour. Upon reaching the second leg her speed is cut down to 3 miles an hour. How long did she spend biking downhill? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #577696 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</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=577696\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> First part was downhill, and second part was uphill.<BR>\n" );
document.write( "R=12<BR>\n" );
document.write( "r=3<BR>\n" );
document.write( "T=23 hours, total trip time<BR>\n" );
document.write( "D=213 miles, total trip distance\r<BR>\n" );
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document.write( "This could be set up in one unknown variable, but it is done here using two unknown variables:<BR>\n" );
document.write( "u, the time downhill<BR>\n" );
document.write( "v, the time uphill\r<BR>\n" );
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document.write( "________________speed___________time____________distance<BR>\n" );
document.write( "FIRST___________R________________u______________Ru<BR>\n" );
document.write( "SECND___________r________________v______________rv<BR>\n" );
document.write( "Total____________________________T_______________D\r<BR>\n" );
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document.write( "Fundamentally, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=rate%2Atime=distance ALIGN=MIDDLE  ALT=\"rate%2Atime=distance\"   DISABLED_style= \"max-width:90%; height:auto;\" >. </SPAN>\n" );
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