Aisha wants to paint the four walls of her living room. Each wall is 2.2 m high and 3.5 m long.
One wall has a door of 1.8 m by 0.7 m.
Tins of paint cost £15 per 2 L tin.
Each litre of paint can cover 7 m2 of wall.
There is an offer of: Buy 2 tins get the 3rd at half price.
How much will Aisha pay to paint her living room