document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=202389>Question 202389</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An Air Force plane flew to Jakarta and back.  It took six hours longer to go there than it did to come back.  The average speed on the trip there was 182 km/h.  The average speed on the way back was 455 km/h.  How many hours did the trip there take?   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #152628 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=152628\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Using the distance formula:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d+=+rt ALIGN=MIDDLE  ALT=\"d+=+rt\"   DISABLED_style= \"max-width:90%; height:auto;\" > where: d = distance, r = rate (speed), and t = time of travel.<BR>\n" );
document.write( "For the trip to Jakarta:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5B1%5D+=+r%5B1%5D%2At%5B1%5D ALIGN=MIDDLE  ALT=\"d%5B1%5D+=+r%5B1%5D%2At%5B1%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" > Substitute: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5B1%5D+=+182 ALIGN=MIDDLE  ALT=\"r%5B1%5D+=+182\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5B1%5D+=+t%5B2%5D%2B6 ALIGN=MIDDLE  ALT=\"t%5B1%5D+=+t%5B2%5D%2B6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5B1%5D+=+%28182%29%28t%5B2%5D%2B6%29 ALIGN=MIDDLE  ALT=\"d%5B1%5D+=+%28182%29%28t%5B2%5D%2B6%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "For the return trip:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5B2%5D+=+r%5B2%5D%2At%5B2%5D ALIGN=MIDDLE  ALT=\"d%5B2%5D+=+r%5B2%5D%2At%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" > Substitute: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5B2%5D+=+455 ALIGN=MIDDLE  ALT=\"r%5B2%5D+=+455\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5B2%5D+=+455%2At%5B2%5D ALIGN=MIDDLE  ALT=\"d%5B2%5D+=+455%2At%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The distance to Jakarta is equal to the return distance, so...<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5B1%5D+=+d%5B2%5D ALIGN=MIDDLE  ALT=\"d%5B1%5D+=+d%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" > and so...<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28182%29%28t%5B2%5D%2B6%29+=+455%2At%5B2%5D ALIGN=MIDDLE  ALT=\"%28182%29%28t%5B2%5D%2B6%29+=+455%2At%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" > Simplify and solve for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5B2%5D ALIGN=MIDDLE  ALT=\"t%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=182%2At%5B2%5D%2B1092+=+455%2At%5B2%5D ALIGN=MIDDLE  ALT=\"182%2At%5B2%5D%2B1092+=+455%2At%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" > Subtract <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=182%2At%5B2%5D ALIGN=MIDDLE  ALT=\"182%2At%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" > from both sides of the equation.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1092+=+273%2At%5B2%5D ALIGN=MIDDLE  ALT=\"1092+=+273%2At%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" > Divide both sides by 273.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5B2%5D+=+4 ALIGN=MIDDLE  ALT=\"t%5B2%5D+=+4\"   DISABLED_style= \"max-width:90%; height:auto;\" >hours.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5B1%5D+=+t%5B2%5D%2B6 ALIGN=MIDDLE  ALT=\"t%5B1%5D+=+t%5B2%5D%2B6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5B1%5D+=+4%2B6 ALIGN=MIDDLE  ALT=\"t%5B1%5D+=+4%2B6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28t%5B1%5D+=+10%29 ALIGN=MIDDLE  ALT=\"highlight%28t%5B1%5D+=+10%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >hours.<BR>\n" );
document.write( "Check:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10%2A182+=+4%2A455 ALIGN=MIDDLE  ALT=\"10%2A182+=+4%2A455\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1820+=+1820 ALIGN=MIDDLE  ALT=\"1820+=+1820\"   DISABLED_style= \"max-width:90%; height:auto;\" > OK! </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );