Line graphs 1: Read and interpret line graphs

(a)   Mr Wright puts 3 gallons of petrol into his car.

How many litres is this?

(b)   Mrs Read bought 18 litres of petrol.

How many gallons was this?

(c)   The petrol tank of a lorry holds 20 gallons.

How many litres is this?

(d)   Sam fills up his car with 6 gallons of petrol.

Petrol cost £1.09 per litre. How much does he pay? £

(a)   How many litres of water was added to the tank between 2 a.m. and 3 a.m.? litres

(b)   What was the volume of the water in the tank at 11 a.m.? litres

(c)   What is the difference between the highest and the lowest volume of water in the tank? litres

(d)   In total, how many litres of water was added to the tank during the day? litres

(e)   How many litres per hour were removed between 2 p.m. and 4 p.m.? litres

(a)   What was the highest temperature, in °C?

(b)   What was the difference, in °C, between the highest and the lowest temperatures?

(c)   With how many degrees Celsius did the temperature increase between 03:00 and 06:00?

(d)   What was the temperature, in °C, at 23:30?

(e)   With how many degrees Celsius did the temperature decrease from 22:00 to 24:00?