document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=177139>Question 177139</A>: <I><SPAN STYLE=\"word-break: break-all;\">             Please help! \r<BR>\n" );
document.write( "\n" );
document.write( "1.) A blimp that usually goes y mph in still air, when a 10 mph tail wind is blowing?\r<BR>\n" );
document.write( "\n" );
document.write( "2.) A boat traveling upstream on Pine Creek, which has a current of 2 mph.  The boat usually goes z mph in still water.\r<BR>\n" );
document.write( "\n" );
document.write( "3.) The plane flew to Omaha and then returned. The speed of the  plane in still air was 100 mph more than the wind speed.\r<BR>\n" );
document.write( "\n" );
document.write( "     r      t       d   <BR>\n" );
document.write( "      <BR>\n" );
document.write( "  x + y     2      2(x + y)\r<BR>\n" );
document.write( "\n" );
document.write( "  x - y     3      3(x - y)\r<BR>\n" );
document.write( "\n" );
document.write( "4.) The distance traveled by a jet in 12 hours at x mph. (symbolic expression)\r<BR>\n" );
document.write( "\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 #132250 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=132250\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1.) A blimp that usually goes y mph in still air, when a 10 mph tail wind is blowing?<BR>\n" );
document.write( "(y+10) = speed with the wind<BR>\n" );
document.write( ":<BR>\n" );
document.write( "2.) A boat traveling upstream on Pine Creek, which has a current of 2 mph.<BR>\n" );
document.write( " The boat usually goes z mph in still water.<BR>\n" );
document.write( "(z-2) = speed upstream<BR>\n" );
document.write( ":<BR>\n" );
document.write( "3.) The plane flew to Omaha and then returned. The speed of the plane in still air was 100 mph more than the wind speed.<BR>\n" );
document.write( ":<BR>\n" );
document.write( "s = speed in still air<BR>\n" );
document.write( "(s-100) = wind speed<BR>\n" );
document.write( "with the wind:<BR>\n" );
document.write( "s + (s-100) =<BR>\n" );
document.write( "2s - 100 = speed with the wind<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Against the wind<BR>\n" );
document.write( "s - (s-100) =<BR>\n" );
document.write( "s - s + 100 =<BR>\n" );
document.write( "100 mph = speed against the wind<BR>\n" );
document.write( ":<BR>\n" );
document.write( ":<BR>\n" );
document.write( "4.) The distance traveled by a jet in 12 hours at x mph. (symbolic expression) <BR>\n" );
document.write( "dist = time * speed<BR>\n" );
document.write( "d = 12x </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );