Answer :
Area of a rectangular mural = length x width
We know the following: area and length so put it into the formula, we'll call the unknown w
72= 9 x w
w= 72/9
w=8
Therefore the width of the mural is 8 feet
We know the following: area and length so put it into the formula, we'll call the unknown w
72= 9 x w
w= 72/9
w=8
Therefore the width of the mural is 8 feet