document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=235915>Question 235915</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Show a complete solution.\r<BR>\n" );
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document.write( "Big plane. A six-passenger plane cruises at 180 mph in<BR>\n" );
document.write( "calm air. If the plane flies 7 miles with the wind in the<BR>\n" );
document.write( "same amount of time as it flies 5 miles against the wind,<BR>\n" );
document.write( "then what is the wind speed? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #173808 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=173808\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> D=RT OR T=D/R<BR>\n" );
document.write( "T=7/(180+W)<BR>\n" );
document.write( "T=5/(180-W) SEEING AS THE TIMES ARE EQUAL WE SET THESE 2 EQUATION EQUAL<BR>\n" );
document.write( "7/(180+W)=5/(180-W)<BR>\n" );
document.write( "7(180-W)=5(180+W)<BR>\n" );
document.write( "1,260-7W=900+5W<BR>\n" );
document.write( "-7W-5W=900-1,260<BR>\n" );
document.write( "-12W=-360<BR>\n" );
document.write( "W=-360/-12<BR>\n" );
document.write( "W=30 MPH.IS THE WIND SPEED.<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( "7/(180+30)=5/(180-30)<BR>\n" );
document.write( "7/210=5/150<BR>\n" );
document.write( "1/30=1/30<BR>\n" );
document.write( " </SPAN>\n" );
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