document.write( "Question 1160885: A rectangular billboard sign has a length that is four yards longer than twice its width, x If the area of the sign is 30 square yards, which equation could be used to find the dimensions in yards of the sign? \n" ); document.write( "

Algebra.Com's Answer #784291 by ikleyn(52879) $\"\"$ $\"About$

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document.write( "    W*(2W+4) = 30  square yards (the area).\r\n" );
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document.write( "    W*(W+2)  = 15.\r\n" );
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document.write( "So, 15 is presented as the product of two factors that differ by 2.\r\n" );
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document.write( "Hence, guessing mentally,  W = 3;  W + 2 = 5.\r\n" );
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document.write( "    Or you can solve the equation (1) formally.\r\n" );
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document.write( "ANSWER.  W = 3 yards;  L = 2W + 4 = 2*3+4 = 10 yards.\r\n" );
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