document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=650881>Question 650881</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If the base of a rectangle is increased by 10% and the area is unchanged by what percentage is the width decresed by and what is the formula? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #407476 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=407476\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If the base of a rectangle is increased by 10% and the area is unchanged by what percentage is the width decresed by and what is the formula?<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "Area = L*W<BR>\n" );
document.write( "x = the multiplier of the other dimension<BR>\n" );
document.write( "Area = (L*x)*(W*1.1) = L*W<BR>\n" );
document.write( "L*W*x*1.1 = L*W<BR>\n" );
document.write( "x*1.1 = 1<BR>\n" );
document.write( "x = 1/1.1 = 0.909090...<BR>\n" );
document.write( "% change = 100*(1 - x)<BR>\n" );
document.write( "= 9.0909...%<BR>\n" );
document.write( "=================<BR>\n" );
document.write( "There isn't always \"a formula\"\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );