document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1158821>Question 1158821</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Both planes were headed on the same route from Alaska to Hawaii.  Plane #1 traveled at 520 Km/h and plane #2 traveled at 580 km/h.  If plane #1 took off 1 1/2 hours before plane #2, how many hours did it take for plane #2 to catch plane #1? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #781833 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13208)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=781833\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "(1) In the 1.5 hours that the first plane flew before the second took off, the first plane traveled 1.5(520) = 780km.<br><BR>\n" );
document.write( "(2) The second plane catches up to the first at the rate of (580-520)=60km/hr.<br><BR>\n" );
document.write( "(3) The number of hours the second plane takes to make up the 780km is 780/60 = 13.<br><BR>\n" );
document.write( "ANSWER: 13 hours<br><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );