document.write( "Question 953523: Pre-Algebra: The length of a rectangle is twice its width. The perimeter is 30 meters. Find the length and width.
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document.write( "a. length is 10 meters and the width is 5 meters
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document.write( "b. length is 7 meters and the width is 5 meters
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document.write( "c. length is 8 meters and the width is 7 meters
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document.write( "d. length is -10 meters and the width is -5 meters \n" );
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Algebra.Com's Answer #582359 by Sumit56(2)![]() ![]() ![]() You can put this solution on YOUR website! breadth or width = b \n" ); document.write( "length= l = 2*b\r \n" ); document.write( "\n" ); document.write( "Perimeter = 30 m \n" ); document.write( "2 (l+b) = 30 \n" ); document.write( "l+b = 15 \n" ); document.write( "2b +b =15 (l=2b) \n" ); document.write( "3b=15 \n" ); document.write( " b=5m\r \n" ); document.write( "\n" ); document.write( "l= 2 * b = 2 * 5 = 10m \r \n" ); document.write( "\n" ); document.write( "Right answer is a. l=10m and b=5m \n" ); document.write( " |