document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=795256>Question 795256</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An airplane makes a trip in 3.2 hours flying against the wind.  The same plane makes the same trip in 3 hours flying withe the wind.  If the wind is moving at 7 miles per hour, find the speed of the plane. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #480878 by </B><A HREF=/tutors/aboutme.mpl?userid=Cromlix><B>Cromlix(4381)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Cromlix><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=Cromlix><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=480878\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Speed of plane = x<BR>\n" );
document.write( "Flying against wind = x - 7mph<BR>\n" );
document.write( "Flying with wind = x + 7mph<BR>\n" );
document.write( "3.2 * (x - 7mph) = 3 * (x + 7mph)<BR>\n" );
document.write( "3.2x - 22.4 = 3x + 21<BR>\n" );
document.write( "Collect like terms<BR>\n" );
document.write( "3.2x - 3x = 21 + 22.4<BR>\n" );
document.write( "0.2x = 43.4<BR>\n" );
document.write( "x = 217 mph<BR>\n" );
document.write( "This is the speed of the plane.<BR>\n" );
document.write( "Hope this helps.<BR>\n" );
document.write( ":-) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );