document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1047393>Question 1047393</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If z varies directly as x and inversely as y, find the percentage change in z if x increases by 20% and y increases by 25%. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #662928 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=662928\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> z=x/y<BR>\n" );
document.write( "z (new)=1.2x/1.25 y<BR>\n" );
document.write( "The second is divided by the first, and the variables cancel.<BR>\n" );
document.write( "The ratio is 1.2/1.25=0.96<BR>\n" );
document.write( "The per cent change is minus 4%. </SPAN>\n" );
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