document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=256754>Question 256754</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help, been stuck on this all day, dont just need an answer, need help solving the problem so I can finish all the rest,<BR>\n" );
document.write( "Joe flew his small airplane 900 km in 5 hours with the wind. He flew 700 km against the wind in 7 hours. Find the rate at which he flew in still air and the rate of the wind. I have to use this table to solve it<BR>\n" );
document.write( "5(r+w)=900<BR>\n" );
document.write( "7(r-w)=700 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #188813 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=188813\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 5(r+w)=900 You have got the hard part done already.<BR>\n" );
document.write( "7(r-w)=700<BR>\n" );
document.write( ".<BR>\n" );
document.write( "5r+5w=900<BR>\n" );
document.write( "7r-7w=700<BR>\n" );
document.write( ".<BR>\n" );
document.write( "7r=700+7w<BR>\n" );
document.write( "r=100+w<BR>\n" );
document.write( ".<BR>\n" );
document.write( "5r+5w=900<BR>\n" );
document.write( "5(100+w)+5w=900<BR>\n" );
document.write( "500+5w+5w=900<BR>\n" );
document.write( "10w+500=900<BR>\n" );
document.write( "10w=400<BR>\n" );
document.write( "w=40 kmph rate of the wind<BR>\n" );
document.write( "r=140 kmph rate in still air </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );