document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1205745>Question 1205745</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Trashia left Riverside, California, driving her motorhome north on Interstate 15 towards Salt Lake City at a speed of 40 miles per hour. Half an hour later, Karissa left Riverside in her car on the same route as Trashia, driving 60 miles per hour. Solve the system:\r<BR>\n" );
document.write( "\n" );
document.write( "{(40 y=60 x),(y=x+1/2) :}\r<BR>\n" );
document.write( "\n" );
document.write( "A. for x to find out how long it will take Karissa to<BR>\n" );
document.write( "catch up to Trashia.\r<BR>\n" );
document.write( "\n" );
document.write( "B. What is the value of y the number of hours<BR>\n" );
document.write( "Trashia will have driven before Karissa catches up<BR>\n" );
document.write( "to her?   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #842752 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=842752\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A description is given and then suddenly an equation system is shown.<BR>\n" );
document.write( "Catch-Up.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Trashia 40 mph<BR>\n" );
document.write( "going half hour before Karissa begins from same place, same direction<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=40%2A%281%2F2%29 ALIGN=MIDDLE  ALT=\"40%2A%281%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, distance traveled\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Karissa 60 mph<BR>\n" );
document.write( "t, time for Karissa to catch up.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Karissa approaches at rate of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=60-40 ALIGN=MIDDLE  ALT=\"60-40\"   DISABLED_style= \"max-width:90%; height:auto;\" > mph to Trashia.<BR>\n" );
document.write( "At Karissa's start, distance of separation is  40(1/2) miles.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28%2860-40%29t=40%281%2F2%29%29 ALIGN=MIDDLE  ALT=\"highlight_green%28%2860-40%29t=40%281%2F2%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20t=20 ALIGN=MIDDLE  ALT=\"20t=20\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28t=1%29 ALIGN=MIDDLE  ALT=\"highlight%28t=1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );