document.write( "Question 391830: A rectangular skating rink measuring 30m by 20m is doubled in area by adding a strip at one end of the rink and a strip of the same width along one side of the rink. Find the width of the strips if the enlarged rink is still rectangular.\r
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Algebra.Com's Answer #278001 by rfer(16322)\"\" \"About 
You can put this solution on YOUR website!
Looks good to me.
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