document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=337866>Question 337866</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A cellular phone company charges $50 for each phone plus $25 per month under a special sale plan. The total cost C (in dollars) of operating the phone is given by the linear model C=50+25t where t represents the number of months of operation of a cellular phone. \r<BR>\n" );
document.write( "\n" );
document.write( "How many months has the phone been in service if the total cost is $250.00?\r<BR>\n" );
document.write( "\n" );
document.write( "What is the cost of the service after 18 months?\r<BR>\n" );
document.write( "\n" );
document.write( "Thank You!!! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #242208 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=242208\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> C=50+25t where t represents the number of months of operation of a cellular phone. <BR>\n" );
document.write( "How many months has the phone been in service if the total cost is $250.00? <BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "Solve 50+25t = 250.00<BR>\n" );
document.write( "25t = 200<BR>\n" );
document.write( "t = 8<BR>\n" );
document.write( "-----------------------------<BR>\n" );
document.write( "What is the cost of the service after 18 months?<BR>\n" );
document.write( "C(18) = 50+25*18 = $500<BR>\n" );
document.write( "==========================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );