document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1099633>Question 1099633</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The Topology Taxi Company charges 2.20 for the first quarter of a mile and 0.55 for each additional fifth of a mile. Find a linear function which models the taxi fare F as a function of the number of miles driven, m<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 #714272 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=714272\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a+.25=m<BR>\n" );
document.write( "a=m-.25<BR>\n" );
document.write( "a/.20=d<BR>\n" );
document.write( "(m-.25)/.20=d<BR>\n" );
document.write( "F=2.20+.55(m-.25)/.20<BR>\n" );
document.write( "F=2.20+2.75*(m-.25)<BR>\n" );
document.write( "F=2.20+2.75*m-2.75*.25<BR>\n" );
document.write( "F=2.20-0.6875+2.75*m<BR>\n" );
document.write( "F=1.5125+2.75*m is a a linear function which models the taxi fare<BR>\n" );
document.write( "check on a 2 mile trip\r<BR>\n" );
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document.write( "F=1.5125+2.75*m<BR>\n" );
document.write( "F=1.5125+2.75*2=7.0125<BR>\n" );
document.write( "F=1.5125+5.50=7.0125<BR>\n" );
document.write( "using the original info<BR>\n" );
document.write( "2.20 for first .25 mile<BR>\n" );
document.write( "remaining trip after .25 mile= 1.75 miles<BR>\n" );
document.write( "how 1/5 mile in  1.75 miles<BR>\n" );
document.write( "(1.75/.20)=8.75<BR>\n" );
document.write( "8.75 at .55 <BR>\n" );
document.write( "8.75*.55=4.8125<BR>\n" );
document.write( "2.20+4.8125=$7.0125 <BR>\n" );
document.write( "ok<BR>\n" );
document.write( "$7.02 for a 2 mile ride since they never round down\r<BR>\n" );
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