document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=738301>Question 738301</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I want to fill my dogs play ball with foam it is 600mm in dia the foam expands by 20 to 1 so how many litres of foam would i need to fill it.<BR>\n" );
document.write( "Many thanks John. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #450773 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=450773\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the volume of a sphere is = 4/3 * pi * radus^3\r<BR>\n" );
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document.write( "the volume of the sphere is 4/3 * 22/7 * 300^3\r<BR>\n" );
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document.write( "volume of sphere is = 1.13142857 * 10^8 cubic mm's\r<BR>\n" );
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document.write( "the foam expands by 20 to 1 so we divide by 20 to find how much cubic mm's we need to fill the ball\r<BR>\n" );
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document.write( "1.13142857 * 10^8 / 20 = 5.657143 * 10^6 cubic mm's of foam\r<BR>\n" );
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document.write( "now 1 liter = 1 * 10^6 cubic mm's\r<BR>\n" );
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document.write( "so the answer is 5.7 liters </SPAN>\n" );
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