document.write( "Question 15048: What are the length and width of a rectangle if the area is 13.5 square feet and the length of one side is .2 the measure of the perimeter? \n" ); document.write( "
Algebra.Com's Answer #7522 by venugopalramana(3286)\"\" \"About 
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let length of rectangle be L and width be W.
\n" ); document.write( " area = L*W=13.5..........(1)
\n" ); document.write( " perimeter = 2*(L+W)
\n" ); document.write( " length of one side =L = 0.2 times perimeter=0.2*2*(L+W)
\n" ); document.write( " L=0.4*L+0.4*W
\n" ); document.write( " 0.6*L=0.4*W
\n" ); document.write( " 1.5*L = W....substituting in (1)we get
\n" ); document.write( " 1.5*L*L=13.5
\n" ); document.write( " L*L= 13.5/1.5 =9
\n" ); document.write( " L=3
\n" ); document.write( " hence W = 13.5/3 = 4.5
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