document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=374313>Question 374313</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A 590 mile, 5 hour plane trip was flown at two speeds. For the first part of the trip, the average speed was 120mph. for the remainder of the trip, the average speed was 115mph. how long did the plane fly at 120mph? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #266373 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=266373\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d1 ALIGN=MIDDLE  ALT=\"d1\"   DISABLED_style= \"max-width:90%; height:auto;\" > = distance flown on the 1st part<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t1 ALIGN=MIDDLE  ALT=\"t1\"   DISABLED_style= \"max-width:90%; height:auto;\" > = time for 1st part<BR>\n" );
document.write( "given:<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=120+=+d1%2F+t1 ALIGN=MIDDLE  ALT=\"120+=+d1%2F+t1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=115+=+%28590+-+d1%29%2Ft2 ALIGN=MIDDLE  ALT=\"115+=+%28590+-+d1%29%2Ft2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(3) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t1+%2B+t2+=+5 ALIGN=MIDDLE  ALT=\"t1+%2B+t2+=+5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "This is 3 equations and 3 unknowns, so it's solvable </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );