document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=887628>Question 887628</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A lawn sprinkler sprays water 8 feet at full pressure as it rotates 360 degrees. If the water pressure is reduced by 50%, what is the difference in the area covered?<BR>\n" );
document.write( "The choices are:<BR>\n" );
document.write( "1)78.5<BR>\n" );
document.write( "2)50.2<BR>\n" );
document.write( "3)201.0<BR>\n" );
document.write( "4)150.8 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #536766 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=536766\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> i believe your answer is 150.8\r<BR>\n" );
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document.write( "at full pressure, it sprays 8 feet out so 8 is your radius and the area covered is 8^2 * pi = 64 * pi.\r<BR>\n" );
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document.write( "at half pressure, it sprays 4 feet out so 4 is your radius and the area covered is 4^2 * pi = 16 * pi.\r<BR>\n" );
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document.write( "the difference in the area covered is 64 * pi - 16 * pi = 48 * pi.\r<BR>\n" );
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document.write( "48 * pi = 150.7964... which rounds to 150.8.\r<BR>\n" );
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