document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=43072>Question 43072</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I'm trying to check my math here. I usually get the answers right but in the wrong order. Here is the problem:\r<BR>\n" );
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document.write( "Flying against the jetstream, a jet travels 3450km  in 5 hours. Flying with the jetstream, the same jet travels 8400km in 8 hours. What is the speed of the jet in still air, and what is the speed of the jetstream?\r<BR>\n" );
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document.write( "Jetspeed  ___ kmh\r<BR>\n" );
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document.write( "Jetstream ___ kmh </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #28075 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=28075\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> j = speed of jetstream<BR>\n" );
document.write( "a = speed of plane in still air<BR>\n" );
document.write( "against jetstream:<BR>\n" );
document.write( "-j + a = 3450/5<BR>\n" );
document.write( "with jetstream<BR>\n" );
document.write( "+j + a = 8400/8<BR>\n" );
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document.write( "do divisions<BR>\n" );
document.write( "-j + a = 690<BR>\n" );
document.write( "+j + a = 1050<BR>\n" );
document.write( "add the equations<BR>\n" );
document.write( "2a = 1740<BR>\n" );
document.write( "a = 870 km/hr speed of plane in still air<BR>\n" );
document.write( "-j + 870 = 690<BR>\n" );
document.write( "j = 870 - 690<BR>\n" );
document.write( "j = 180 km/hr speed of jetstream<BR>\n" );
document.write( "check in  other equation<BR>\n" );
document.write( "180 + 870 = 1050<BR>\n" );
document.write( "checks </SPAN>\n" );
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