Question

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

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