document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1020842>Question 1020842</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 4.Samantha drove 440 km in 5 hours. She drove part of the way at 80 km/h and the rest at 100 km/h. What distance did she drive at each speed? (5 marks)  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #648830 by </B><A HREF=/tutors/aboutme.mpl?userid=jorel555><B>jorel555(1290)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jorel555><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=648830\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If x and y are the hours she drove at the different rates, then:<BR>\n" );
document.write( "x+y=5<BR>\n" );
document.write( "80x+100y=440<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "80x+100y=440<BR>\n" );
document.write( "80x+80y=400<BR>\n" );
document.write( "20y=40<BR>\n" );
document.write( "y=2<BR>\n" );
document.write( "x=3<BR>\n" );
document.write( "She drove 3 hours at 80 kmh and 2 hours at 100kmh!!!!!!!<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );