document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=428649>Question 428649</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A small jet can fly 1024 miles from city A to city B in 4 hours with the wind return in 8 hours against the wind. What is the speed of the wind?  <BR>\n" );
document.write( " A. 48 mph  <BR>\n" );
document.write( "B. 80 mph  <BR>\n" );
document.write( "C. 96 mph  <BR>\n" );
document.write( "D. 64 mph  <BR>\n" );
document.write( " <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #297898 by </B><A HREF=/tutors/aboutme.mpl?userid=shree840><B>shree840(260)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=shree840><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=shree840><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=297898\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> jet speed x<BR>\n" );
document.write( "wind velocity y\r<BR>\n" );
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document.write( "going speed =x+y<BR>\n" );
document.write( "returning speed =x-y\r<BR>\n" );
document.write( "\n" );
document.write( "1024/(x+y)=4<BR>\n" );
document.write( "or 4(x+y)=1024<BR>\n" );
document.write( "x+y=256\r<BR>\n" );
document.write( "\n" );
document.write( "return  1024/(x-y)=8<BR>\n" );
document.write( "8(x-y)=1024<BR>\n" );
document.write( "x-y=128<BR>\n" );
document.write( "x+y=256 <BR>\n" );
document.write( "--------<BR>\n" );
document.write( "2x=384<BR>\n" );
document.write( "x=192<BR>\n" );
document.write( "y=256-192=64  ANS </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );