document.write( "Question 1064477: a wall is 20 m long and 15m high .Find the cost of painting the wall at $ 4.50per square metre. \n" ); document.write( "
Algebra.Com's Answer #679544 by Fombitz(32388)\"\" \"About 
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Find the area.
\n" ); document.write( "\"A=20%2A15\"
\n" ); document.write( "\"A=300\"\"m%5E2\"
\n" ); document.write( "So,
\n" ); document.write( "\"C=300%2A4.5\"
\n" ); document.write( "\"C=1350\"
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\n" ); document.write( "$1350
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