document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=48948>Question 48948</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Eric bikes 12 mph with no wind. Against the wind she bikes 8 miles in the same time that it takes to bike 14miles with the wind. Find the speed of the wind. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #32411 by </B><A HREF=/tutors/aboutme.mpl?userid=venugopalramana><B>venugopalramana(3286)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=venugopalramana><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.geocities.com/venugopalramana/FREE_MATHS_ASSISTANCE.html valign=middle><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=32411\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Eric bikes 12 mph with no wind. Against the wind she bikes 8 miles in the same time that it takes to bike 14miles with the wind. Find the speed of the wind.<BR>\n" );
document.write( "You may edit the question. Maybe convert formulae <BR>\n" );
document.write( "speed with no wind=12 mph<BR>\n" );
document.write( "wind speed =w<BR>\n" );
document.write( "speed against wind =12-w mph<BR>\n" );
document.write( "speed with wind=12+w mph<BR>\n" );
document.write( "time=t<BR>\n" );
document.write( "distance against wind =t(12-w)=8.......................1<BR>\n" );
document.write( "distance with wind=t(w+12)=14...................2<BR>\n" );
document.write( "eqn.2/eqn.1=(w+12)/(12-w)=14/8=7/4<BR>\n" );
document.write( "4(w+12)=7(12-w)<BR>\n" );
document.write( "4w+48=84-7w<BR>\n" );
document.write( "7w+4w=84-48=36<BR>\n" );
document.write( "11w=36<BR>\n" );
document.write( "w=36/11=3.27 mph </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );