document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=169023>Question 169023</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A jet-liner and a propeller driven aircraft leave two cities 3000km apart at the same time and fly toward each other on a collision course. The flights are non-stop. If the propeller driven plane flies at 300km/h and the jet at 600km/h, how far will the jet fly before these planes crash? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #124656 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=124656\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">     A jet-liner and a propeller driven aircraft leave two cities 3000km apart at the same time and fly toward each other on a collision course. The flights are non-stop. If the propeller driven plane flies at 300km/h and the jet at 600km/h, how far will the jet fly before these planes crash?<BR>\n" );
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document.write( "Applying the \"distance formula\".<BR>\n" );
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document.write( "Let t = time it takes to crash<BR>\n" );
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document.write( "300t + 600t = 3000<BR>\n" );
document.write( "900t = 3000<BR>\n" );
document.write( "t = 3000/900<BR>\n" );
document.write( "t = 30/9<BR>\n" );
document.write( "t = 3.33333 hours<BR>\n" );
document.write( "or<BR>\n" );
document.write( "3 hours 20 minutes </SPAN>\n" );
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