Theo wants to paint his room. each gallon of paint will cover 350 square feet. what steps does he need to take to determine how much paint he needs?

a) measure the walls, find the volume, and divide 250 by the volume
b) measure the walls, find the area, and divide 350 by the area
c) measure the walls and divide 350 by the measurements
d) measure the walls , find the perimeter, and divide 350 by the perimeter