document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=242866>Question 242866</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A duck can fly 2400 m in 10 minutes with the wind. Against the wind, it can fly only 2/3 of this distance in 10 minutes. What is the rate of the wind? <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 #177841 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=177841\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2,400/10=240 m/m.<BR>\n" );
document.write( "2/3*2,400/10=2*800/10=1,600/10=160 m/m.<BR>\n" );
document.write( "(240-160)/2=80/2=40 m/m is the speed of the wind.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "240-40=200 m/m. is the speed of the duck.<BR>\n" );
document.write( "160+40=200 ditto.<BR>\n" );
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