document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=453147>Question 453147</A>: <I><SPAN STYLE=\"word-break: break-all;\"> im really stuck so can someone help me please :(?\r<BR>\n" );
document.write( "\n" );
document.write( "solve the problem.\r<BR>\n" );
document.write( "\n" );
document.write( "Raul flew his plane 200 miles against the wind in the same time it took him to fly 400 miles with the wind. If the speed of the wind was 50 miles per hour, what was the average speed of his plane? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #311362 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=311362\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Raul flew his plane 200 miles against the wind in the same time it took him to fly 400 miles with the wind. If the speed of the wind was 50 miles per hour, what was the average speed of his plane?<BR>\n" );
document.write( "..<BR>\n" );
document.write( "Let x=average speed of plane<BR>\n" );
document.write( "Rate of speed with wind=(x+50)<BR>\n" );
document.write( "Rate of speed against wind=(x-50)<BR>\n" );
document.write( "Time of travel=distance/speed (equal in both directions)<BR>\n" );
document.write( "200/(x-50)=400/(x+50)<BR>\n" );
document.write( "200x+10000=400x-20000<BR>\n" );
document.write( "200x=30000<BR>\n" );
document.write( "x=150<BR>\n" );
document.write( "ans:<BR>\n" );
document.write( "The average speed of Raul's plane was 150 miles per hour </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );