Given:
The area the paint can cover = 250 ft²
Width of wall = 16 ft
Length of wall = 12 ft
To know whether or not she will need more than one gallon of paint, let's find the area of the wall.
Since the wall is rectangular, use the area of a rectangle formula.
Area of wall = Length x Width = 12 x 16 = 192 ft²
Since the area the paint can cover (250 ft²) is greater than area of the wall (192 ft²), Carolyn will need just 1 gallon of paint to paint the wall
ANSWER:
She needs just 1 gallon of paint