document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=459884>Question 459884</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If a boy on a motorbike travels to school at 20km/hr reaches the school 13mins earlier than his sister who is on a bicycle going at 12km/hr, how far away is the school?\r<BR>\n" );
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document.write( "This information was given to me by my kid and he says that this was all the information given. I am unsure whether there is more info or not. If you cannot solve it due to lack of information can you please send me an email saying there is not enough info. This question has really been bugging me for some days now.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #315389 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=315389\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> distance to school = x	km						<BR>\n" );
document.write( "Motorbike time =x/20				<BR>\n" );
document.write( "Bicycle time  =x/12				<BR>\n" );
document.write( "Difference in time =13/60 =0.22	hour <BR>\n" );
document.write( "Bicycle time - motorbike time = 0.22			<BR>\n" );
document.write( "x/12-x/20=0.22	<BR>\n" );
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document.write( "common denominator = 	240						<BR>\n" );
document.write( "multiply by LCD							<BR>\n" );
document.write( "20x-12x=0.22*240<BR>\n" );
document.write( "8x=52.8					<BR>\n" );
document.write( "/8						<BR>\n" );
document.write( "x=6.6 km						<BR>\n" );
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