document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1000413>Question 1000413</A>: <I><SPAN STYLE=\"word-break: break-all;\"> x varies jointly with y and the cube of z and inversely with w.  The value of x is 64 when y = 2, z = 4 and w = 6.  Find x when y = 1, w = 15 and z = 3.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #617907 by </B><A HREF=/tutors/aboutme.mpl?userid=Cromlix><B>Cromlix(4381)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Cromlix><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=Cromlix><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=617907\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi there,<BR>\n" );
document.write( "x varies jointly with y and the cube of z and inversely with w<BR>\n" );
document.write( "X = kYZ^3/W<BR>\n" );
document.write( "k = constant of proportionality<BR>\n" );
document.write( "Find 'k'<BR>\n" );
document.write( "X = kYZ^3/W<BR>\n" );
document.write( "64 = k24^3/6<BR>\n" );
document.write( "k = (64 x 6)/(2 x 64)<BR>\n" );
document.write( "k = 3<BR>\n" );
document.write( "Formula:<BR>\n" );
document.write( "X = 3YZ^3/W<BR>\n" );
document.write( "...........<BR>\n" );
document.write( "X = (3 x 1 x 3^3)/15<BR>\n" );
document.write( "X = 5.4<BR>\n" );
document.write( "Hope this helps. :-) </SPAN>\n" );
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