A painter made the table below to show the amount of paint it takes to cover a certain amount of square feet. The amount
of paint varies directly with the area of each wall.
Amount of Paint and Size of Wall
Area of wall (ft), x
64
144
400
Amount of paint of
(pints), y
4
9
25
How much paint should the painter expect to use to paint a wall with an area of 256 square feet?
16 pints
32 pints
128 pints
225 pints