document.write( "Question 915319: a footpath of uniform width run round the inside of a rectangular field 38 meter long and 32 meter wide. If path occupies 600 meter square .Find the width ?
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Algebra.Com's Answer #555522 by ewatrrr(24785)\"\" \"About 
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\"38%2A32+-+900\" = 616 = (38-2w)(32-2w)
\n" ); document.write( "4w^2 - 140w + 600 = 0
\n" ); document.write( "w^2 - 35w + 150 = 0
\n" ); document.write( "(w-30)(x-5) = 0
\n" ); document.write( "w = 5m, the width of the path
\n" ); document.write( "And...checking
\n" ); document.write( "28*22 = 616
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