document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=75591>Question 75591</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 2 planes leave Newyork AT 10am, one heading for Europe at 600mph and one heading in the opposite direction at 150mph. At what time will they be 900 miles apart? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #54258 by </B><A HREF=/tutors/aboutme.mpl?userid=psbhowmick><B>psbhowmick(878)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=psbhowmick><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=psbhowmick><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=54258\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let the planes be 900 miles apart after 't' hours from start.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=SPEED+=+DISTANCE%2FTIME ALIGN=MIDDLE  ALT=\"SPEED+=+DISTANCE%2FTIME\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=DISTANCE+=+SPEEDxTIME ALIGN=MIDDLE  ALT=\"DISTANCE+=+SPEEDxTIME\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "In 't' hrs. the first plane travels = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=600%2At ALIGN=MIDDLE  ALT=\"600%2At\"   DISABLED_style= \"max-width:90%; height:auto;\" > miles.<BR>\n" );
document.write( "In 't' hrs. the second plane travels = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=150%2At ALIGN=MIDDLE  ALT=\"150%2At\"   DISABLED_style= \"max-width:90%; height:auto;\" > miles.<BR>\n" );
document.write( "After 't' hours the distance between the two planes flying in opposite directions = (600t + 150t) = 750t mph.<BR>\n" );
document.write( "When, this distance is 900 miles, <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=750t+=+900 ALIGN=MIDDLE  ALT=\"750t+=+900\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+900%2F750+=+6%2F5 ALIGN=MIDDLE  ALT=\"t+=+900%2F750+=+6%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So the reqd. time vis t = 1.2 hrs. = 1.2*60 min = 72 min = 1 hr 12 min.<BR>\n" );
document.write( "Thus the planes will be 900 miles apart at 11:12 am. </SPAN>\n" );
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