document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=155220>Question 155220</A>: <I><SPAN STYLE=\"word-break: break-all;\"> y varies jointly as a and b and inversely as the square root of c.  y=48 when a=4, b=8 and c=36.  Find y when a=2, b=7 and c=16.<BR>\n" );
document.write( "a.  7.875<BR>\n" );
document.write( "b.  31.5<BR>\n" );
document.write( "c.  3.5<BR>\n" );
document.write( "d.  504 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #114284 by </B><A HREF=/tutors/aboutme.mpl?userid=oscargut><B>oscargut(2103)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=oscargut><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=oscargut><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=114284\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y varies jointly as a and b and inversely as the square root of c<BR>\n" );
document.write( "then <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=k%28ab%29%2F%28sqrt%28c%29%29 ALIGN=MIDDLE  ALT=\"y=k%28ab%29%2F%28sqrt%28c%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "y=48 when a=4, b=8 and c=36.\r<BR>\n" );
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document.write( "48=k(32)/6<BR>\n" );
document.write( "then k=48(6)/32=9\r<BR>\n" );
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document.write( "then<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=9%28ab%29%2F%28sqrt%28c%29%29 ALIGN=MIDDLE  ALT=\"y=9%28ab%29%2F%28sqrt%28c%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "a=2, b=7 and c=16.\r<BR>\n" );
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document.write( "then\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=126%2F4=31.5 ALIGN=MIDDLE  ALT=\"y=126%2F4=31.5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "correct option is b)\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );