document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=560057>Question 560057</A>: <I><SPAN STYLE=\"word-break: break-all;\"> During the first part of a trip a canoeist travels 45 miles at a certain speed. The canoeist travels 10 miles on the second part of the trip at a speed of 5 mph slower. The total time for the trip is 2 hours what was the speed on each part of the trip? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #363770 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=363770\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> First part speed = x mph -- 45 miles<BR>\n" );
document.write( "second part -x-5 mph  ------10 miles \r<BR>\n" );
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document.write( "time first part + time second part = 2 hours\r<BR>\n" );
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document.write( "t=d/r<BR>\n" );
document.write( "45/x + 10/(x-5)= 2\r<BR>\n" );
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document.write( "LCD = x(x-5)<BR>\n" );
document.write( "45(x-5)+10x=2x(x-5)<BR>\n" );
document.write( "45x-225+10x=2x^2-10x<BR>\n" );
document.write( "2x^2-65x+225=0<BR>\n" );
document.write( "Find the roots of the equation by quadratic formula							<BR>\n" );
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document.write( "a=	2	b=	-65	c=	225	<BR>\n" );
document.write( "	<BR>\n" );
document.write( "b^2-4ac=	4225	-	-1800				<BR>\n" );
document.write( "b^2-4ac=	2425			<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%28%092425%09%29 ALIGN=MIDDLE  ALT=\"sqrt%28%092425%09%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >=	49.24<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=(	65	+	49.24	)/	4		<BR>\n" );
document.write( "x1=	28.56					<BR>\n" );
document.write( "x2=(	65	-49.24	) /	4			<BR>\n" );
document.write( "x2= 	3.94		\r<BR>\n" );
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document.write( "first part speed = 28.56 mph<BR>\n" );
document.write( "second part = 28.56-5= 23.56 mph\r<BR>\n" );
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document.write( "m.ananth@hotmail.ca				<BR>\n" );
document.write( "							\r<BR>\n" );
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document.write( " </SPAN>\n" );
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