The line graph shows the amount of gas in a car’s tank.
How much gas was initially in the tank?
$\editable{}$ litres.
What happened at $9$9am and $1$1pm?
The driver filled the tank.
The amount of gas being used increased.
The car was travelling at a fast speed.
How much gas was used between $1$1pm and $5$5pm?
To the nearest hour, when did the gas in the tank first fall below $18$18 litres?
Approximately $\editable{}$$:$:$00$00
The graph represents the number of iTunes sales (in millions) and iPod sales (in hundreds of thousands) every three months between 2003 and 2007.
The graph shows the cost of sending parcels of various weight overseas.
The graph shows the parking costs over different lengths of time.