document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=982018>Question 982018</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The variable Z is directly proportional to X, and inversely proportional to Y.  When X is 12 and Y is 4, Z has the value 57.\r<BR>\n" );
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document.write( "What is the value of Z when X = 18, and Y = 10 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #602902 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=602902\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The variable Z is directly proportional to X, and inversely proportional to Y.<BR>\n" );
document.write( "Z = k*X/Y<BR>\n" );
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document.write( "When X is 12 and Y is 4, Z has the value 57.<BR>\n" );
document.write( "Solve for \"k\"<BR>\n" );
document.write( "57 = k*12/4<BR>\n" );
document.write( "k = 19<BR>\n" );
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document.write( "What is the value of Z when X = 18, and Y = 10<BR>\n" );
document.write( "Z = 19*X/Y<BR>\n" );
document.write( "Z = 19*18/10 = 34.2<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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