document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=121960>Question 121960</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/9780534404512/algebrahomeworkh>Fundamental of Algebraic Modeling</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> A telephone company charges $0.89 for the first 15 minutes of a long distance call and $0.4 for each minute thereafter. Find the cost of a 30 minute call.\r<BR>\n" );
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document.write( "    $0.89 * 15min.= $13.35      $0.04 * 15 min = $0.60\r<BR>\n" );
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document.write( "        $13.35 +$0.60 = $13.95 for a 30 min call<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #89567 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=89567\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I think you may have an error in the first calculation. <BR>\n" );
document.write( "You did not mention that it was $0.89 per minute,<BR>\n" );
document.write( "so the first 15 minutes would only cost $0.89. <BR>\n" );
document.write( "Also, you mentioned $0.4/minute in the discussion but in the calculation you used $0.04/minute.<BR>\n" );
document.write( "40 cents per minute versus 4 cents per minute. <BR>\n" );
document.write( "Total cost = (First 15 minute cost) + (Next 15 minutes cost)<BR>\n" );
document.write( "Total cost = ($0.89) + ($0.4 OR $0.04)*15<BR>\n" );
document.write( "Total cost = ($0.89) + ($6.00 OR $0.60)<BR>\n" );
document.write( "Total cost = ($6.89) OR ($1.49) </SPAN>\n" );
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