document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=903423>Question 903423</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A jet plane flying with the wind went 1820 mi in 4 h. Against the wind, the plane could only fly 1560 mi in the same amount of time. Find the rate of the plane in calm air and the rate of the wind.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #548002 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=548002\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (r+w) = 455mph = 1820mi/4hr <BR>\n" );
document.write( "<u>(r-w) = 390mph</u> = 1560mi/4hr<BR>\n" );
document.write( "2r = 845<BR>\n" );
document.write( "r = 422.5mph and w = 32.52mph <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=455+-+422.5 ALIGN=MIDDLE  ALT=\"455+-+422.5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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