document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=772634>Question 772634</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Heyy there. Plz help me with this problem for the Sat's.\r<BR>\n" );
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document.write( "If y is inversely proportional to x and directly proportional to z, and x=4 and z=8 when y=10, what is the value of x+z when y=20? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #471018 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=471018\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If y is inversely proportional to x and directly proportional to z<BR>\n" );
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document.write( "y = k*z/x<BR>\n" );
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document.write( "Solve for \"k\" using \"x=4 and z=8 when y=10\"<BR>\n" );
document.write( "10 = k*8/4<BR>\n" );
document.write( "k = 10/2 = 5<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "y = 5z/x<BR>\n" );
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document.write( "What is the value of x+z when y=20?<BR>\n" );
document.write( "20 = 5z/x<BR>\n" );
document.write( "z/x = 4<BR>\n" );
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document.write( "x+z could be a variety of values<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( " </SPAN>\n" );
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