document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=729729>Question 729729</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi, could you help me solve this word problem:\r<BR>\n" );
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document.write( "Ahmed and Bryan are on two different boats that are 60km apart. Byran starts sailing west at 10km/h. Two hours later, Ahmed starts sailing south at 30km/h. They both arrive at the port, P at exactly the same time. How long does it take Bryan to get to the port?\r<BR>\n" );
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document.write( "I set up a digram, and I started to set up a table that has time, speed, and distance. Ahmed's time was x-2 his speed x and distance 30. Bryan's time was x his speed x and distance 10. That's as far as I got before I became unsure if this was the right approach. Thanks. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #446233 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=446233\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Ahmad boat A<BR>\n" );
document.write( "Bryan boat B\r<BR>\n" );
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document.write( "They meet at P\r<BR>\n" );
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document.write( "BPA is right angled\r<BR>\n" );
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document.write( "Let Bryan take time  t\r<BR>\n" );
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document.write( "Ahmad takes t-2\r<BR>\n" );
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document.write( "in time t Bryan  goes 10 t km\r<BR>\n" );
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document.write( "in time (t-2) Ahmad goes 30 (t-2) km\r<BR>\n" );
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document.write( "(10t)^2 +(30(t-2))^2=60^2\r<BR>\n" );
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document.write( "100t^2+900t^2-3600t+3600=3600\r<BR>\n" );
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document.write( "1000t^2_3600t=0<BR>\n" );
document.write( "1000t^2=3600t<BR>\n" );
document.write( "1000t=3600<BR>\n" );
document.write( "t=3.6 hours\r<BR>\n" );
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document.write( "Check\r<BR>\n" );
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document.write( "10*3.6 = 36 km\r<BR>\n" );
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document.write( "30*1.6 = 48 km\r<BR>\n" );
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document.write( "36^2+48^2=3600\r<BR>\n" );
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document.write( "60^2=3600\r<BR>\n" );
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document.write( " </SPAN>\n" );
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