document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=203701>Question 203701</A>: <I><SPAN STYLE=\"word-break: break-all;\"> For each of the following, find an equation of variation in which y varies directly as x and the following are true.\r<BR>\n" );
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document.write( "y=20, when x=4<BR>\n" );
document.write( "y=30, when x =3<BR>\n" );
document.write( "y=0.7, when x=0.4 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #153691 by </B><A HREF=/tutors/aboutme.mpl?userid=RAY100><B>RAY100(1637)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=RAY100><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=153691\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Remember  direct  variation  has  the  form,,,y = kx<BR>\n" );
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document.write( "1) 20 = 4k,,,,,k=5,,,,,y=5x<BR>\n" );
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document.write( "2) 30 = 3k,,,,,k=10,,,,,y=10x<BR>\n" );
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document.write( "3) .7 = .4k,,,,k=1.75,,,,,y=1.75x<BR>\n" );
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