document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=316000>Question 316000</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If y varies inversly with x & y=5 when x=7 what is the value of y when x=4<BR>\n" );
document.write( "I got 8.75 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #226044 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=226044\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \"If y varies inversly with x\" means that <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 some constant number. So if \"y=5 when x=7\" means that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5=k%2F7 ALIGN=MIDDLE  ALT=\"5=k%2F7\"   DISABLED_style= \"max-width:90%; height:auto;\" >. Solve for 'k' to get <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k=35 ALIGN=MIDDLE  ALT=\"k=35\"   DISABLED_style= \"max-width:90%; height:auto;\" >. So we get the equation <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=35%2Fx ALIGN=MIDDLE  ALT=\"y=35%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" >. Finally, plug in x=4 to get <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=35%2F4=8.75 ALIGN=MIDDLE  ALT=\"y=35%2F4=8.75\"   DISABLED_style= \"max-width:90%; height:auto;\" >. So you have the correct answer. Good job. </SPAN>\n" );
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