document.write( "Question 1004508: The perimeter of a rectangle is 84 meters. The width measures 3 meters less than the length. Find the width of the rectangle \n" ); document.write( "

Algebra.Com's Answer #620969 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "a + b = 42    (it is ).\r\n" );
document.write( "a - b =  3.\r\n" );
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document.write( "where a and b are the length and the width respectively\r\n" );
document.write( "Solve this system. You may use the substitution or the elimination method.\r\n" );
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document.write( "The solution is \r\n" );
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document.write( "a = 22.5 units, b = 19.5 units.\r\n" );
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