document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=612160>Question 612160</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Media services charges $30 for a phone and $20/month for its economy plan. Find a model that determines the total cost c(t), of operating a media service phone for t months. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #385318 by </B><A HREF=/tutors/aboutme.mpl?userid=Bb><B>Bb(20)</B></A><img src=\"/images/stars/stars-06.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Bb><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=385318\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Lets start by assigning variables to each part of the equation.  p (phone)=$30 m (monthly charge)=$20 t (time in months).  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=p%2Bm%2At ALIGN=MIDDLE  ALT=\"p%2Bm%2At\"   DISABLED_style= \"max-width:90%; height:auto;\" > Now lets place the numbers in for the variables.  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2B20%2At ALIGN=MIDDLE  ALT=\"30%2B20%2At\"   DISABLED_style= \"max-width:90%; height:auto;\" > is going to be the final equation. </SPAN>\n" );
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