document.write( "Question 1136468: Jessica wants to enlarge the dimensions of an 18-by-24-inch photo by 25%. What will be the perimeter of the enlarged photo? \n" ); document.write( "

Algebra.Com's Answer #754239 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "The new perimeter =  = \r\n" );
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document.write( "    = L*(1+0.25) + W*(1+0.25) + L*(1+0.25) + W*(1+0.25) = (1+0.25)*(L + W + L + W) = 1.25*(24 + 18 + 24 + 18) =  = \r\n" );
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document.write( "    = 1.25*84 = 105 inches.       ANSWER\r\n" );
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document.write( "    Under this similarity enlarging, the new perimeter to the old perimeter ratio is the same \r\n" );
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document.write( "    as the ratio of the new side length to the old side length \r\n" );
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