document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=937943>Question 937943</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this word problem: \r<BR>\n" );
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document.write( "Traveling with the wind, a plane takes 2 1/2 hours to fly a distance of 1500 miles. The return flight against the wind takes 3 hours. Find the speed of the plane and the speed of the wind. <BR>\n" );
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document.write( "Thank you for reading and please help me as soon as possible. <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 #571313 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=571313\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Traveling with the wind, a plane takes 2 1/2 hours to fly a distance of 1500 miles.<BR>\n" );
document.write( " The return flight against the wind takes 3 hours.<BR>\n" );
document.write( " Find the speed of the plane and the speed of the wind.<BR>\n" );
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document.write( "let s = speed of the plane<BR>\n" );
document.write( "let w = speed of the wind<BR>\n" );
document.write( "then<BR>\n" );
document.write( "(s+w) = the effective speed with the wind<BR>\n" );
document.write( "and<BR>\n" );
document.write( "(s-w) = effective speed against the wind<BR>\n" );
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document.write( "Write a distance equation for each way; dist = time * speed<BR>\n" );
document.write( "2.5(s+w) = 1500<BR>\n" );
document.write( "3(s-w) = 1500<BR>\n" );
document.write( "Simplify both equations, divide the 1st by 2.5 and the 2nd by 3, resulting in:<BR>\n" );
document.write( "s + w = 600<BR>\n" );
document.write( "s - w = 500<BR>\n" );
document.write( "---------------Adding eliminates w, find s<BR>\n" );
document.write( "2s = 1100<BR>\n" );
document.write( "s = 1100/2<BR>\n" );
document.write( "s = 550 mph speed of the plane<BR>\n" );
document.write( "Find w<BR>\n" );
document.write( "550 + w = 600<BR>\n" );
document.write( "w = 600 - 550<BR>\n" );
document.write( "w = 50 mph is the speed of the wind<BR>\n" );
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document.write( "Check this using the original 2nd equation<BR>\n" );
document.write( "3(550 - 50) = 1500<BR>\n" );
document.write( "3(500) = 1500  </SPAN>\n" );
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