document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=76659>Question 76659</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0078729807/algebrahomeworkh>Algebra 2</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> If y varies jointly as x and z and y=10 when z=4 and x=5, find y when x=4 and z=2. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #54981 by </B><A HREF=/tutors/aboutme.mpl?userid=stargrl12566><B>stargrl12566(16)</B></A><img src=\"/images/stars/stars-06.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stargrl12566><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=54981\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> First write down the formula. y=kxz<BR>\n" );
document.write( "Then plug in the set of numbers in which you have three for. In this case<BR>\n" );
document.write( "10=k(5)(4)<BR>\n" );
document.write( "Then solve<BR>\n" );
document.write( "10=20k<BR>\n" );
document.write( "k=1/2<BR>\n" );
document.write( "Then plug in the second set of numbers using the 1/2 for k.<BR>\n" );
document.write( "y=(1/2)(4)(2)<BR>\n" );
document.write( "y=4\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );