document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=152148>Question 152148</A>: <I><SPAN STYLE=\"word-break: break-all;\"> For a holiday party, Marcus is making a nine-layer torte, which consists of nine 8-inch diameter cake layers with a cream topping on each layer. He knows that one recipe of cream will cover 54 square inches of cake. How many batches of the topping must he make to complete his torte? (Use &#61552; = 3.14 as an approximate value) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #111833 by </B><A HREF=/tutors/aboutme.mpl?userid=vleith><B>vleith(2983)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=vleith><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=111833\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> We have 9 layers to cover. <BR>\n" );
document.write( "Each layer is round, with a diameter of 8 inches. So each layer has a radius of 4 inches\r<BR>\n" );
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document.write( "The area of a circle is given by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+=+pi%2Ar%5E2 ALIGN=MIDDLE  ALT=\"A+=+pi%2Ar%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+=+3.14+%2A+4%5E2 ALIGN=MIDDLE  ALT=\"A+=+3.14+%2A+4%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+=+3.14+%2A+16 ALIGN=MIDDLE  ALT=\"A+=+3.14+%2A+16\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+=+50.24+ ALIGN=MIDDLE  ALT=\"A+=+50.24+\"   DISABLED_style= \"max-width:90%; height:auto;\" > square inches\r<BR>\n" );
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document.write( "We have 9 layers, each with an area of 50.24. So we have <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9%2A50.24 ALIGN=MIDDLE  ALT=\"9%2A50.24\"   DISABLED_style= \"max-width:90%; height:auto;\" > square inches to cover. <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+=+9%2A50.24 ALIGN=MIDDLE  ALT=\"A+=+9%2A50.24\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=452.16 ALIGN=MIDDLE  ALT=\"452.16\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "One batch of cream covers 54 square inches.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=BatchesRequired+=+452.16%2F54 ALIGN=MIDDLE  ALT=\"BatchesRequired+=+452.16%2F54\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=BatchesRequired+=+8.37 ALIGN=MIDDLE  ALT=\"BatchesRequired+=+8.37\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Assuming Marcus won't or can't make less than a full batch, he'll need 9 batches to cover the entire cake. \r<BR>\n" );
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document.write( "If he has a little brother or sister, there will be lots of cream left over. Lot's of opportunity for them to 'lick the spoon' <BR>\n" );
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