document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=305320>Question 305320</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Joe traveled against the wind in a small plane for 3 hr. The return trip with the the wind took 2.8 hr.  Find the speed of the wind if the speed of the plane is still air is 180 mph.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #218582 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=218582\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Joe traveled against the wind in a small plane for 3 hr. The return trip with the the wind took 2.8 hr.  Find the speed of the wind if the speed of the plane is still air is 180 mph. \r<BR>\n" );
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document.write( "let the speed of the wind be x mph\r<BR>\n" );
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document.write( "Against wind the speed will be 180-x<BR>\n" );
document.write( "distance = speed *  time<BR>\n" );
document.write( "= 3(180-x)\r<BR>\n" );
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document.write( "With wind the speed will be x+180\r<BR>\n" );
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document.write( "distance = 2.8(x+180)\r<BR>\n" );
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document.write( "3(180-x)= 2.8(x+180)\r<BR>\n" );
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document.write( "540-3x=2.8x+504\r<BR>\n" );
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document.write( "5.8x=36\r<BR>\n" );
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document.write( "x=36/5.8\r<BR>\n" );
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document.write( "speed of wind = 6.2 mph\r<BR>\n" );
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document.write( " </SPAN>\n" );
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