document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=486393>Question 486393</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Need help for the following sum:\r<BR>\n" );
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document.write( "A starts walking north from Point X at 7 a.m. with a speed of 5 km/hr. After 1 hr, B starts from the same point cycling towards the east with a speed of 16 km/hr. At what time will they be at a distance of 52 km from each other? \r<BR>\n" );
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document.write( "Thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #332506 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=332506\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A ---- North ---- 5 km/h\r<BR>\n" );
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document.write( "B----- east ------16km/h (After 1 hour)\r<BR>\n" );
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document.write( "let the time be t \r<BR>\n" );
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document.write( "A distance 5t+5\r<BR>\n" );
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document.write( "B distance 16 t\r<BR>\n" );
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document.write( "(5t+5)^2+(16t)^2=52^2 ( I have used x in place of t)\r<BR>\n" );
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document.write( "25t^2+50t+25+256t^2=52^2<BR>\n" );
document.write( "281t^2+50t-2679 =0<BR>\n" );
document.write( "Find the roots of the equation by quadratic formula							<BR>\n" );
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document.write( "a=	281	b=	50	c=	-2679		<BR>\n" );
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document.write( "b^2-4ac=	2500	-	3011196				<BR>\n" );
document.write( "b^2-4ac=	3013696			<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%28%093013696%09%29 ALIGN=MIDDLE  ALT=\"sqrt%28%093013696%09%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >=	1736<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%28-b%2B-sqrt%28b%5E2-4ac%29%29%2F%282a%29 ALIGN=MIDDLE  ALT=\"x=%28-b%2B-sqrt%28b%5E2-4ac%29%29%2F%282a%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >							<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x1=%28-b%2Bsqrt%28b%5E2-4ac%29%29%2F%282a%29 ALIGN=MIDDLE  ALT=\"x1=%28-b%2Bsqrt%28b%5E2-4ac%29%29%2F%282a%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >							<BR>\n" );
document.write( "x1=(	-50	+	1736	)/	562		<BR>\n" );
document.write( "x1=	3		3    				<BR>\n" );
document.write( "x2=(	-50	-1736	) /	562			<BR>\n" );
document.write( "x2= 	-3.18		-3 1/6				<BR>\n" );
document.write( "Ignore negative value							<BR>\n" );
document.write( "x	=	3 hours\r<BR>\n" );
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document.write( "m.ananth@hotmail.ca		<BR>\n" );
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