document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=963224>Question 963224</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have absolutely no idea how to solve this problem. I have a few other distance problems on my homework assignment and I didn't have too much trouble with them, I just have no idea how to do this one:<BR>\n" );
document.write( "Nina went to the college traveling 6 mph and returned home traveling 12 mph. If the total trip took 9 hours, how long did Nina travel at each speed? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #588455 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</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=588455\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Uniform Rates, Travel,  VT=D for rate time distance relationship.\r<BR>\n" );
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document.write( "____________________speed____________time__________distance<BR>\n" );
document.write( "GOING________________r_______________(___)__________d<BR>\n" );
document.write( "BACK_________________R______________(____)__________d<BR>\n" );
document.write( "Total________________________________t\r<BR>\n" );
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document.write( "The data table has variables assigned as r=6, R=12, t=9, and d is unknown.\r<BR>\n" );
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document.write( "The rule VT=D gives T=D/V;<BR>\n" );
document.write( "The general rule is using V as rate instead of R, because I already assigned R a specific value according to your problem's description.\r<BR>\n" );
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document.write( "____________________speed____________time__________distance<BR>\n" );
document.write( "GOING________________r_______________d/r__________d<BR>\n" );
document.write( "BACK_________________R______________d/R__________d<BR>\n" );
document.write( "Total________________________________t\r<BR>\n" );
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document.write( "You have an obvious time sum equation:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28d%2Fr%2Bd%2FR=t%29 ALIGN=MIDDLE  ALT=\"highlight_green%28d%2Fr%2Bd%2FR=t%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "Solve this equation for d.  Lowest common denominator is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%2AR ALIGN=MIDDLE  ALT=\"r%2AR\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28d%2Fr%2Bd%2FR%29%2Ar%2AR=t%2Ar%2AR ALIGN=MIDDLE  ALT=\"%28d%2Fr%2Bd%2FR%29%2Ar%2AR=t%2Ar%2AR\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=dR%2Bdr=trR ALIGN=MIDDLE  ALT=\"dR%2Bdr=trR\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%28R%2Br%29=trR ALIGN=MIDDLE  ALT=\"d%28R%2Br%29=trR\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28d=%28trR%29%2F%28r%2BR%29%29 ALIGN=MIDDLE  ALT=\"highlight%28d=%28trR%29%2F%28r%2BR%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Substitute the given values for t, r, and R and evaluate d.\r<BR>\n" );
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document.write( "You can go back now and evaluate the two time terms, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%2FR ALIGN=MIDDLE  ALT=\"d%2FR\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%2Fr ALIGN=MIDDLE  ALT=\"d%2Fr\"   DISABLED_style= \"max-width:90%; height:auto;\" >. </SPAN>\n" );
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