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A 3 m by 5 m rectangular wall hanging is hung in the center of a wall, The uncovered part of the wall is a border strip of uniform width. How wide is the border strip if the area of the wall hanging is three-sevenths of the area of the entire wall?

Answer» 20 m sqStep-by-step EXPLANATION:AREA of WALL hanging =3*5m^2=15m^2Area of wall=15*7/3m^2(area of wall hanging is 3/7 of wall)=35m^2Area of BORDER strip=35-15=20m^2


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