SOLUTION: a local park is 30 meters long by 20 meters wide. Plans are being made to double the area by adding a strip at one end and another of the same width on one side. find the width of
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Question 36830: a local park is 30 meters long by 20 meters wide. Plans are being made to double the area by adding a strip at one end and another of the same width on one side. find the width of the strips
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
(30+X)*(20+X)=2*(30*20) OR 600+50X+X~2=2*600 OR 600+50X+X~2=1200 OR X~2+50X-600
OR (X+60)(X-10)=0 OR X=10 OR 40*30=1200 OR 1200=1200
10 METERS ARE ADDED TO THE LENGTH & THE WIDTH
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