posted by Katie
Bill wants to paint the ceiling and four walls of his bedroom. The room is 6.0 m long, 3.0 m wide and 2.4 m high. Paint comes in 4 L cans. One litre of paint covers 10 m2.
What area does Bill need to paint?
How many cans of paint does Bill need?
ends = 2 * 2.4 * 3
sides = 2 * 2.4 * 6
ceiling = 6 * 3
add to get area =
divide by 40 to cans