document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=87323>Question 87323</A>: <I><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "In Exercises 51 to 54, find the constant of variation k.  See Example 9 (p 556) in the text.\r<BR>\n" );
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document.write( "52) m varies directly with n; m = 144 when n = 8.\r<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 #63248 by </B><A HREF=/tutors/aboutme.mpl?userid=tutorcecilia><B>tutorcecilia(2152)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=tutorcecilia><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=tutorcecilia><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=63248\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use the formula for direct variation:<BR>\n" );
document.write( "y=xk<BR>\n" );
document.write( "or m=nk [plug-in the values]<BR>\n" );
document.write( "144=8k [solve for the k-term]<BR>\n" );
document.write( "144/8=k<BR>\n" );
document.write( "k=18\r<BR>\n" );
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