document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=23460>Question 23460</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Assume that y varies inversely as x.If y=8 when x =2.5,find x when y=2. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #12256 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=12256\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You write this proportion like this:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+k%2Fx ALIGN=MIDDLE  ALT=\"y+=+k%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" > Where k is the constant of proportionality.\r<BR>\n" );
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document.write( "First, you need to find the value of k and you can do this because you are told that y = 8 when x = 2.5, so you substitute these values of y (8) and x (2.5) into the above equation and solve for k.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8+=+k%2F2.5 ALIGN=MIDDLE  ALT=\"8+=+k%2F2.5\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply both sides by 2.5<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282.5%29%288%29+=+k ALIGN=MIDDLE  ALT=\"%282.5%29%288%29+=+k\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k+=+20 ALIGN=MIDDLE  ALT=\"k+=+20\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "You can rewrite the first equation with the value of k included.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+20%2Fx ALIGN=MIDDLE  ALT=\"y+=+20%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Now solve the problem of finding the value of x when y = 2 by substituting 2 for y in the last equation.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2+=+20%2Fx ALIGN=MIDDLE  ALT=\"2+=+20%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply both sides by x<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x+=+20 ALIGN=MIDDLE  ALT=\"2x+=+20\"   DISABLED_style= \"max-width:90%; height:auto;\" > Finally, divide both sides by 2.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+10 ALIGN=MIDDLE  ALT=\"x+=+10\"   DISABLED_style= \"max-width:90%; height:auto;\" > This is the answer.<BR>\n" );
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