document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1102722>Question 1102722</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A plane travels576km with the wind in 1.5hours return against the wind in 2 hours. Find the speed of the plane and 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 #717446 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=717446\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> r*t=d<BR>\n" );
document.write( "with the wind<BR>\n" );
document.write( "(r+c)*1.5=576<BR>\n" );
document.write( "r*1.5+c*1.5=576<BR>\n" );
document.write( "against the wind<BR>\n" );
document.write( "r*2-c*2=576\r<BR>\n" );
document.write( "\n" );
document.write( "1) r*2-c*2=576<BR>\n" );
document.write( "2) r*1.5+c*1.5=576<BR>\n" );
document.write( "multiply 1) by 3 multiply 2) by 4<BR>\n" );
document.write( "r*6.0+c*6.0=2304<BR>\n" );
document.write( "r*6-c*6=1728<BR>\n" );
document.write( "add<BR>\n" );
document.write( "r*12.0=4032<BR>\n" );
document.write( "r=336.0<BR>\n" );
document.write( "r=336 mph plane\r<BR>\n" );
document.write( "\n" );
document.write( "336*1.5+c*1.5=576<BR>\n" );
document.write( "504.0+c*1.5=576<BR>\n" );
document.write( "c*1.5=72.0<BR>\n" );
document.write( "c=72.0/1.5<BR>\n" );
document.write( "c=48.0 mph wind<BR>\n" );
document.write( "check<BR>\n" );
document.write( "(336+c)*dt=576<BR>\n" );
document.write( "(336+48)*1.5=576<BR>\n" );
document.write( "(384)*1.5=576<BR>\n" );
document.write( "576.0=576\r<BR>\n" );
document.write( "\n" );
document.write( "(336-c)*ut=576<BR>\n" );
document.write( "(336-48)*2=576<BR>\n" );
document.write( "(288)*2=576<BR>\n" );
document.write( "576=576<BR>\n" );
document.write( "ok\r<BR>\n" );
document.write( "\n" );
document.write( "or <BR>\n" );
document.write( "more simply<BR>\n" );
document.write( "r*t=d<BR>\n" );
document.write( "with the wind<BR>\n" );
document.write( "(r+c)*1.5=576<BR>\n" );
document.write( "r+c=576/1.5<BR>\n" );
document.write( "r+c=384.0<BR>\n" );
document.write( "against the wind<BR>\n" );
document.write( "r-c=576/2<BR>\n" );
document.write( "r-c=288<BR>\n" );
document.write( "we have<BR>\n" );
document.write( "r-c=288<BR>\n" );
document.write( "r+c=384.0<BR>\n" );
document.write( "add<BR>\n" );
document.write( "2r=672.0<BR>\n" );
document.write( "r=336.0<BR>\n" );
document.write( "r=336 mph plane\r<BR>\n" );
document.write( "\n" );
document.write( "336*1.5+c*1.5=576<BR>\n" );
document.write( "504.0+c*1.5=576<BR>\n" );
document.write( "c*1.5=72.0<BR>\n" );
document.write( "c=72.0/1.5<BR>\n" );
document.write( "c=48.0 mph wind<BR>\n" );
document.write( "check<BR>\n" );
document.write( "(336+c)*dt=576<BR>\n" );
document.write( "(336+48)*1.5=576<BR>\n" );
document.write( "(384)*1.5=576<BR>\n" );
document.write( "576.0=576\r<BR>\n" );
document.write( "\n" );
document.write( "(336-c)*ut=576<BR>\n" );
document.write( "(336-48)*2=576<BR>\n" );
document.write( "(288)*2=576<BR>\n" );
document.write( "576=576<BR>\n" );
document.write( "ok<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );