document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1085452>Question 1085452</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The cost of an article is first increased by 20% and then decreased by 30%, find the percentage change in the cost of the article  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #699536 by </B><A HREF=/tutors/aboutme.mpl?userid=KMST><B>KMST(5328)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=KMST><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=KMST><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=699536\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> It really does not matter what the monetary unit or the original cost is,<BR>\n" );
document.write( "so we can calculate based on an assumed original cost of 100 peculiar (a made up money unit).<BR>\n" );
document.write( "If the original cost was 100,<BR>\n" );
document.write( "a 20% increase would bring it up to 100+20=120.<BR>\n" );
document.write( "After that a decrease of 30% would reduce the cost to<BR>\n" );
document.write( "70% = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=70%2F100=7%2F10=0.7 ALIGN=MIDDLE  ALT=\"70%2F100=7%2F10=0.7\"   DISABLED_style= \"max-width:90%; height:auto;\" > of 12p0.<BR>\n" );
document.write( "That is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.7%2A120=84 ALIGN=MIDDLE  ALT=\"0.7%2A120=84\"   DISABLED_style= \"max-width:90%; height:auto;\" > .<BR>\n" );
document.write( "A decrease from 100 to 84 is a decrease of<BR>\n" );
document.write( "100-84=16.<BR>\n" );
document.write( "A decrease of 16 from 100 is a 16% decrease. </SPAN>\n" );
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