document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=935228>Question 935228</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A ball of lead 4 cm in diameter is covered with gold .If the volume of  the gold and lead are equal,then find the thickness of gold???<BR>\n" );
document.write( "@help me  sir </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #568397 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=568397\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> R, radius of whole ball<BR>\n" );
document.write( "r, radius of inner ball (just the lead)<BR>\n" );
document.write( "Using x as radius, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%284%2F3%29pi%2Ax%5E3 ALIGN=MIDDLE  ALT=\"%284%2F3%29pi%2Ax%5E3\"   DISABLED_style= \"max-width:90%; height:auto;\" > is volume formula for sphere.\r<BR>\n" );
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document.write( "THINK:  volume of whole ball minus volume of inner ball is the volume of the gold shell.  Volume of gold shell equals volume of inner ball.\r<BR>\n" );
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document.write( "THAT is help, and I leave the rest of the solution undone but for you to do.  Watch carefully that DIAMETER is 2*radius. </SPAN>\n" );
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