document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=824628>Question 824628</A>: <I><SPAN STYLE=\"word-break: break-all;\"> With a certain tail wind a jet aircraft arrives at its destination, 1,890 miles away, in 3 hours. Flying against the same wind, the plane makes the return trip in 3 3/8 hours. Find the wind speed and the plane's airspeed. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #496626 by </B><A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><B>TimothyLamb(4379)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><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=TimothyLamb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=496626\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ---<BR>\n" );
document.write( "s = d / t<BR>\n" );
document.write( "---<BR>\n" );
document.write( "outbound:<BR>\n" );
document.write( "s + w = 1890/3<BR>\n" );
document.write( "s = 1890/3 - w<BR>\n" );
document.write( "---<BR>\n" );
document.write( "return:<BR>\n" );
document.write( "s - w = 1890/(3+3/8)<BR>\n" );
document.write( "s = 1890/(24/8+3/8) + w<BR>\n" );
document.write( "s = 1890/(27/8) + w<BR>\n" );
document.write( "---<BR>\n" );
document.write( "s + w = 1890/3<BR>\n" );
document.write( "s - w = 1890/(3+3/8)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "put the system of linear equations into standard form<BR>\n" );
document.write( "---<BR>\n" );
document.write( "x = airplane airspeed<BR>\n" );
document.write( "y = wind speed<BR>\n" );
document.write( "---<BR>\n" );
document.write( "x + y = 630<BR>\n" );
document.write( "x - y = 560<BR>\n" );
document.write( "---<BR>\n" );
document.write( "copy and paste the above standard form linear equations in to this solver:<BR>\n" );
document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "answer:<BR>\n" );
document.write( "x = airplane airspeed = 595 mph<BR>\n" );
document.write( "y = wind speed = 35 mph<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve and graph linear equations:<BR>\n" );
document.write( "https://sooeet.com/math/linear-equation-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve quadratic equations, quadratic formula:<BR>\n" );
document.write( "https://sooeet.com/math/quadratic-formula-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve systems of linear equations up to 6-equations 6-variables:<BR>\n" );
document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );