a community hall is the shape of a cuboid. the hall is 40m long 15m wide and 3m high. The community hall needs re-decorating with new paint for the walls and ceiling and new titles on the floor. a 10 litre tin of paint covers 25m squared and costs £10.1m squared floor titles cost £3 each. work out the total cost of paint and titles needed to re decorate the community hall.