document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1006968>Question 1006968</A>: <I><SPAN STYLE=\"word-break: break-all;\"> With a tailwind, a bird flew at a ground speed of 3 miles per hour. Flying  the same path against the same wind, the bird travels at a ground speed of 1.5 miles per hour. What is the bird's air speed? 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 #622993 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=622993\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Call the bird's air speed, r.<BR>\n" );
document.write( "Call the wind's speed, w.<BR>\n" );
document.write( "Thus we have<BR>\n" );
document.write( "r + w = 3  and<BR>\n" );
document.write( "r - w = 1.5<BR>\n" );
document.write( "Add these and get<BR>\n" );
document.write( "2r = 4.5<BR>\n" );
document.write( "r = 2.25 mph<BR>\n" );
document.write( "Thus the wind is .75 mph. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );