document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=532228>Question 532228</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A cargo plane left Los Angeles and flew east at an average speed of 320 km/h. Some time later a passenger plane left flying in the opposite direction with an average speed of 155 km/h. After the cargo plane had flown for 11 hours the planes were 4605 km apart. Find the number of hours the passenger plane flew.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #350753 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=350753\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A cargo plane left Los Angeles and flew east at an average speed of 320 km/h. Some time later a passenger plane left flying in the opposite direction with an average speed of 155 km/h. After the cargo plane had flown for 11 hours the planes were 4605 km apart. Find the number of hours the passenger plane flew.<BR>\n" );
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document.write( "let x=hours passenger plane flew<BR>\n" );
document.write( "distance=travel time*speed<BR>\n" );
document.write( "distance cargo plane traveled=320*11=3520<BR>\n" );
document.write( "distance passenger plane traveled in opposite direction=155x<BR>\n" );
document.write( "3520+155x=4605<BR>\n" );
document.write( "155x=(4605-3520)<BR>\n" );
document.write( "x=(4605-3520)/155<BR>\n" );
document.write( "x=7<BR>\n" );
document.write( "Ans:<BR>\n" );
document.write( "passenger plane flew for 7 hrs </SPAN>\n" );
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