Salma wants to paint the ceiling of her restaurant. The ceiling is in the shape of a square. Its side lengths are feet. Suppose each can of paint will cover square feet. How many cans will she need to paint the ceiling?

Answer 1

__________ cans

Next time how about some actual numbers?

just divide total area by the area covered by each can of paint.

ft^2 / (ft^2/can) = can