document.write( "Question 107475: The length of a field is equal to 120m more than its width. If the pèrimètre (distance around) equals
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document.write( "560 m, find dimensions of this camp. \n" );
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Algebra.Com's Answer #78261 by alisttutors(8) You can put this solution on YOUR website! 1) L=120m+W \n" ); document.write( "2) 2L+2W=560m\r \n" ); document.write( "\n" ); document.write( "Simplify equation 2: \n" ); document.write( " 2(L+W)=560m \n" ); document.write( "2) L+W=280m\r \n" ); document.write( "\n" ); document.write( "Substitute equation 1 into equation 2:\r \n" ); document.write( "\n" ); document.write( " (120m+W)+ W=280m \n" ); document.write( " 2W=280m-120m \n" ); document.write( "* W=80m\r \n" ); document.write( "\n" ); document.write( "Substitute W: \n" ); document.write( " L+80m=280m \n" ); document.write( "* L=200m\r \n" ); document.write( "\n" ); document.write( "check: 2(200m)+ 2(80m)=?560 \n" ); document.write( "yes, that checks \n" ); document.write( " |