document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=968394>Question 968394</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find an equation of variation where y varies jointly as x and the square of z and inversely as w, and y=100 when x=0.1, z=10 and w=5. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #591759 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=591759\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find an equation of variation where y varies jointly as x and the square of z and inversely as w, and y=100 when x=0.1, z=10 and w=5.<BR>\n" );
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document.write( "y = k*x*z^2/w<BR>\n" );
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document.write( "Solve for \"y\"::<BR>\n" );
document.write( "100 = k*0.1*100/5<BR>\n" );
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document.write( "500 = 10k<BR>\n" );
document.write( "k = 50<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "y = 50*x*z^2/w<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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