document.write( "Question 1188988: Framing a Painting Ali paints with watercolors on a sheet of paper 50 cm wide by 38 cm high. He then
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document.write( "places this sheet on a mat so that a uniformly wide strip of the mat shows all around the picture. The
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document.write( "perimeter of the mat is 256 cm. How wide is the strip of the mat showing around the picture?Vic \n" );
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Algebra.Com's Answer #820193 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Let x be the width of the strip of mat around the picture. \n" ); document.write( "Then the dimensions of the mat are (50+2x) cm by (38+2x) cm. \n" ); document.write( "The perimeter of the mat (twice length plus twice width) is 256 cm: \n" ); document.write( "2(50+2x)+2(38+2x)=256 \n" ); document.write( "100+4x+76+4x=256 \n" ); document.write( "8x=80 \n" ); document.write( "x=10 \n" ); document.write( "ANSWER: The strip is 10cm wide \n" ); document.write( " \n" ); document.write( " |