document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=984873>Question 984873</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An electric heating system costs $5000 to install, with yearly operating cost of $1100. A gas heating system costs $12000 to install, with yearly operating cost of $700. After a period of time the total costs for electric heating and gas heating will be the same. What will the total cost be at that time? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #605723 by </B><A HREF=/tutors/aboutme.mpl?userid=macston><B>macston(5194)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=macston><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=macston><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=605723\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "y=number of years<BR>\n" );
document.write( ".<BR>\n" );
document.write( "$5000+$1100y=$12000+$700y<BR>\n" );
document.write( "$400y=$7000<BR>\n" );
document.write( "y=17.5<BR>\n" );
document.write( "ANSWER 1: The total cost will be the same in 17.5 years.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "CHECK:<BR>\n" );
document.write( "$5000+$1100(17.5)=$12000+$700(17.5)<BR>\n" );
document.write( "$5000+$19250=$12000+$12250<BR>\n" );
document.write( "$24250=$24250<BR>\n" );
document.write( "ANSWER 2: The total cost for either after 17.5 years will be $24250.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );