document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1204213>Question 1204213</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The salary scale for a chemical officer start at #1.1 million per annum. A rise of #72000 is given at the end of each year. Find the total amount of money earned in 12 years. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #840317 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=840317\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
document.write( "\n" );
document.write( "so, we need to find the sum of the first <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12 ALIGN=MIDDLE  ALT=\"12\"   DISABLED_style= \"max-width:90%; height:auto;\" > terms of an arithmetic progression\r<BR>\n" );
document.write( "\n" );
document.write( "with the first term  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B1%5D=1100000 ALIGN=MIDDLE  ALT=\"a%5B1%5D=1100000\"   DISABLED_style= \"max-width:90%; height:auto;\" > and the common difference  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d=+72000 ALIGN=MIDDLE  ALT=\"d=+72000\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "Use the formula for the sum of n first terms of an AP\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "    <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S%5Bn%5D+=+%28a%5B1%5D+%2B+%28%28n-1%29%2Ad%29%2F2%29%2An ALIGN=MIDDLE  ALT=\"S%5Bn%5D+=+%28a%5B1%5D+%2B+%28%28n-1%29%2Ad%29%2F2%29%2An\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( " in <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n=12 ALIGN=MIDDLE  ALT=\"n=12\"   DISABLED_style= \"max-width:90%; height:auto;\" > years will be\r<BR>\n" );
document.write( "\n" );
document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S%5B12%5D+=+%281100000%2B+%28%2812-1%29%2A72000%29%2F2%29%2A12 ALIGN=MIDDLE  ALT=\"S%5B12%5D+=+%281100000%2B+%28%2812-1%29%2A72000%29%2F2%29%2A12\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S%5B12%5D+=+17952000 ALIGN=MIDDLE  ALT=\"S%5B12%5D+=+17952000\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );