document.write( "Question 913749: The dimensions of a classroom are 10 m, 8 m and 5 m.the cost of decorating it's walls by a wallpaper of 1 m width and which costs rs.50 per meter is -----? \n" ); document.write( "

Algebra.Com's Answer #554693 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "Surface Area(walls) = 2(10m•5m) + 2(8m•5m) = 180m^2
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document.write( "1m•180m = 180m^2
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document.write( "rs.50*180 = rs90 \n" );
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