document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1082366>Question 1082366</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1a.Calculate the total area of the walls of a hospital ward 5m long, 4m wide and 21/2m high. (do not allow for doors and windows).<BR>\n" );
document.write( "1b.one litre of paints covers 15 metres square. How many litres of paint will be needed to the paint the inside walls of the ward in question 1a above.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #696436 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=696436\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the ward is 5 meters long and 4 meters wide and 21/2 meters high.<BR>\n" );
document.write( "there are 4 walls to paint.\r<BR>\n" );
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document.write( "2 of the walls will be 5 meters long by 21/2 meters high.<BR>\n" );
document.write( "2 of the walls will be 4 meters long by 21/2 meters high.\r<BR>\n" );
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document.write( "2 * 5 * 21/2 = 210/2 square meters.<BR>\n" );
document.write( "2 * 4 * 21/2 = 168/2 square meters.\r<BR>\n" );
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document.write( "total surface to be painted = (210 + 168) / 2 square meters.<BR>\n" );
document.write( "simplify this to get total surface to be painted = 189 square meters.\r<BR>\n" );
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document.write( "one liter of paint covers 15 square meters.<BR>\n" );
document.write( "189 / 15 = 12.6 liters of paint required to paint the walls.\r<BR>\n" );
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document.write( "if the paint comes in 1 liter containers, then you would need to purchase 13 containers in order to have 12.6 liters of paint available.<BR>\n" );
document.write( "once you are finished, you would have .4 liters of paint left.\r<BR>\n" );
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document.write( ".4 liters of paint would be enough to cover another .4 * 15 = 6 square meters of surface.\r<BR>\n" );
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document.write( "your solution should be that you require 12.6 liter of paint.\r<BR>\n" );
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