document.write( "Question 465611: the perimeter of a rectangle is 80cm. If the ratio of its length to its width is 5:3, what are it's dimensions? \n" ); document.write( "

Algebra.Com's Answer #319053 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( " P = 2*L + 2*W
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document.write( " 80 = 2*L + 2*W
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document.write( " 40 = L + W
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document.write( "Let x and (40-x) represent the width and length respectively
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document.write( "Question states***
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document.write( "   | Cross Multiplying to solve
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document.write( "     5x = 3(40-x)
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document.write( "     8x = 120
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document.write( "      x = 15cm, the width.  The Length is 25cm.   (40cm-15cm)\r
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document.write( "CHECKING our Answer***
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document.write( "25/15 = 5/3 \n" );
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