document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=20633>Question 20633</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Vent Grill The Newbury Elementary School needs a new air vent drilled into the wall of the maintenance room. The circular hole that is necessary will have a radius of 7 inches. The stainless steel grid that will cover the vent costs $6.50 per square inch. How much will the vent cost? Use A = &#960; r2 and &#960; &#61627; 3.14.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #9938 by </B><A HREF=/tutors/aboutme.mpl?userid=Paul><B>Paul(988)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Paul><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=9938\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Area=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi%2Ar%5E2 ALIGN=MIDDLE  ALT=\"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=pi%2A7%5E2 ALIGN=MIDDLE  ALT=\"pi%2A7%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "    =<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi%2A49 ALIGN=MIDDLE  ALT=\"pi%2A49\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "    =153.93 (rounded)<BR>\n" );
document.write( "       6.50*153.93=1000.55<BR>\n" );
document.write( "Hence the vent will cost about $1000.55 </SPAN>\n" );
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