document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1054352>Question 1054352</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi<BR>\n" );
document.write( "pearl walks from home to schoolat an average speed of 6km per hour, and jogs home at an average speed of 12km per hour. If her whole trip takes an hour, how far is it from home to school.\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 #669580 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=669580\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> pearl walks from home to school at an average speed of 6km per hour, and jogs home at an average speed of 12km per hour. If her whole trip takes an hour, how far is it from home to school. <BR>\n" );
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document.write( "To school DATA:<BR>\n" );
document.write( "rate = 6 km/h ; time = t hrs ; distance = r*t = 6t km<BR>\n" );
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document.write( "To home DATA:<BR>\n" );
document.write( "rate = 12 km/h ; time = (1-t)hrs ; distance = 12(1-t) = 12-12t km<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "dist = dist<BR>\n" );
document.write( "6t = 12-12t <BR>\n" );
document.write( "18t = 12<BR>\n" );
document.write( "t = 2/3 hrs<BR>\n" );
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document.write( "Ans: distance = 6t = 6(2/3) = 4 km<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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