document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=170506>Question 170506</A>: <I><SPAN STYLE=\"word-break: break-all;\"> x varies directly as the square of s and inversely as t. How does x change when s is doubled? When both s and t are doubled? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #125898 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=125898\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x varies directly as the square of s and inversely as t.<BR>\n" );
document.write( "x = k[s^2/t]<BR>\n" );
document.write( "-----------------------\r<BR>\n" );
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document.write( "How does x change when s is doubled? <BR>\n" );
document.write( "x = k[(2s)^2/t] = 4k[s^2/t]\r<BR>\n" );
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document.write( "doubling s quadruples x<BR>\n" );
document.write( "-----------------------<BR>\n" );
document.write( "When both s and t are doubled?<BR>\n" );
document.write( "x = k[(2s)^2/(2t)]<BR>\n" );
document.write( "x = 4ks^2/(2t)<BR>\n" );
document.write( "x = 2ks^2/t\r<BR>\n" );
document.write( "\n" );
document.write( "doubling s and t doubles x<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );