document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=263618>Question 263618</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The mass of a sphere is proportional to its radius cubed. If a sphere of diameter 2 cm has a mass of 9 grams, what diameter sphere has a mass of 4608 grams?\r<BR>\n" );
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document.write( "diameter= _____cm  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #194265 by </B><A HREF=/tutors/aboutme.mpl?userid=drk><B>drk(1908)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=drk><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=194265\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> We have<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m+=kr%5E3 ALIGN=MIDDLE  ALT=\"m+=kr%5E3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "diameter = 2, mass of 9<BR>\n" );
document.write( "means<BR>\n" );
document.write( "radius = 1 , mass = 9<BR>\n" );
document.write( "step 1 - find k.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9+=k%281%29%5E3 ALIGN=MIDDLE  ALT=\"9+=k%281%29%5E3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "so,<BR>\n" );
document.write( "k = 9<BR>\n" );
document.write( "step 2 - rewrite the equation with our new k to get<BR>\n" );
document.write( " <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m+=+9r%5E3 ALIGN=MIDDLE  ALT=\"m+=+9r%5E3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "step 3 - using m = 4608, find r and then d we get<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4608+=+9r%5E3 ALIGN=MIDDLE  ALT=\"4608+=+9r%5E3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "dividing, we get<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=512+=+r%5E3 ALIGN=MIDDLE  ALT=\"512+=+r%5E3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "take a cub root to get<BR>\n" );
document.write( "r = 8 and then d = 4<BR>\n" );
document.write( "diameter = 4cm </SPAN>\n" );
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