Question 36855
20*30=600 OR DOUBLE THIS AREA=1200 THUS (20+X)*(30+X)=1200 OR
600+50X+X~2=1200 OR X~2+50X-600=0 OR (X+60)(X-10)=0 X=-60 OR X=10 

THUS (20+10)*(30+10)=1200 OR 30*40=1200 OR 1200=1200

WIDTH OF THE STRIP IS 10 METERS