document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=974078>Question 974078</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Karen is driving to New Orleans. Suppose that the remaining distance to drive (in miles) is a linear function of her driving time (in minutes). When graphed, the function gives a line with a slope of <BR>\n" );
document.write( "&#8722;0.85\r<BR>\n" );
document.write( "\n" );
document.write( "Karen has <BR>\n" );
document.write( "48<BR>\n" );
document.write( " miles remaining after <BR>\n" );
document.write( "50<BR>\n" );
document.write( " minutes of driving. How many miles will be remaining after <BR>\n" );
document.write( "66<BR>\n" );
document.write( " minutes of driving? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #596122 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=596122\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C300%2C-5%2C70%2C-5%2C100%2C-0.85x%2B100%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C300%2C-5%2C70%2C-5%2C100%2C-0.85x%2B100%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "I make a graph with made up miles but the slope is real.  This allows me to visualize the problem.\r<BR>\n" );
document.write( "\n" );
document.write( "Every 10 minutes, she has 8.5 fewer miles to go.  That is a slope of -0.85\r<BR>\n" );
document.write( "\n" );
document.write( "She has 48 miles left after 50 minutes.  In 16 minutes, she is going to drive 16*0.85=13.60 miles\r<BR>\n" );
document.write( "\n" );
document.write( "She will have 48-13.6=34.4 miles </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );