document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=888251>Question 888251</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A repair company charges a fixed call out fee for any service call, plus a fixed rate per hour for the length of the repair. A three hour repair costs $155, and a four and half hour repair costs $215. The fixed-call out fee and the cost of seven hour repair is are  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #537396 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=537396\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y=mx+b<BR>\n" );
document.write( "215=4.5x+b<BR>\n" );
document.write( "155=3x+b<BR>\n" );
document.write( "60=1.5x<BR>\n" );
document.write( "40=x<BR>\n" );
document.write( "155=120+b<BR>\n" );
document.write( "b=35 call out fee<BR>\n" );
document.write( "7*40+35=<BR>\n" );
document.write( "280+35=315 for 7 hours\r<BR>\n" );
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