Level 2
A lorry consumes 0.08 litre of petrol for each kilometre travelled. How many Iitres of petrol are needed for the lorry to travel 40 kilometres?
Level 2
A rectangular tank is 4 m long, 3.5 m wide and 2 m high. It contains water to a height of 0.8 m. How much more water is needed to fill the tank to its brim?