document.write( "Question 1044385: A hectare is a unit of area equal to 10,000 square meters.
\n" ); document.write( "A 150-hectare plot of land is rectangular and is 1.2 kilometers in width. Give the perimeter of this land.
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Algebra.Com's Answer #659652 by addingup(3677)\"\" \"About 
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1km = 1000 meters
\n" ); document.write( "1.2*1000 = 1200 meters wide
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\n" ); document.write( "The problem says: 1 hectare = 10,000m^2, and says there are 150 hectares:
\n" ); document.write( "150*10,000 = 1,500,000 square meters
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\n" ); document.write( "The perimeter:
\n" ); document.write( "2L+2W = 1,500,000
\n" ); document.write( "We know W, so substitute:
\n" ); document.write( "2L+2(1200) = 1,500,000
\n" ); document.write( "2L+2,400 = 1,500,000
\n" ); document.write( "2L = 1497600
\n" ); document.write( "L = 748800 meters is the perimeter. If you want it in kilometers divide by 1,000
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\n" ); document.write( "John
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