document.write( "Question 519497: how do you work out how many square metres in a rectangle x metres long and 3 metres wide? \n" ); document.write( "
Algebra.Com's Answer #345639 by mananth(16946)\"\" \"About 
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Area of rectangle = L*W\r
\n" ); document.write( "\n" ); document.write( "length = x m
\n" ); document.write( "width =3\r
\n" ); document.write( "\n" ); document.write( "area = 3x m^2
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