document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=438378>Question 438378</A>: <I><SPAN STYLE=\"word-break: break-all;\"> an earth model has a radius of 24 inches. Since roughly 75% of earths surface is covered by water, he wanted to paint 75%of his model blue. Approximately how many square inches on his model will be painted blue<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #303178 by </B><A HREF=/tutors/aboutme.mpl?userid=htmentor><B>htmentor(1343)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=htmentor><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=htmentor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=303178\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The surface area of a sphere = A = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%28pi%29r%5E2 ALIGN=MIDDLE  ALT=\"4%28pi%29r%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Given: r = 24 in.<BR>\n" );
document.write( "75%, or 3/4 of the surface area A is to be painted blue:<BR>\n" );
document.write( "3/4A = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%28pi%29%2824%29%5E2 ALIGN=MIDDLE  ALT=\"3%28pi%29%2824%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 5428.67 sq. in. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );