This task is about reading information from a bar graph.
Keri lives right under the flight path of planes taking off from a large airport.
One day she counted how many Air New Zealand and how many Jetstar planes took off.
She drew a bar graph, turned on its side, with the bars placed 'back-to-back', at hourly intervals. This graph is shown below.
| a) |
In what hour did no Jetstar planes take off at all? __________
|
|
| b) | i) |
In what hour were the number of Air New Zealand and Jetstar takeoffs exactly the same?
__________
|
| ii) |
How many planes in total took off in this hour?
__________ |
|
| c) |
How many Air New Zealand planes took off in the afternoon?
__________ |
|
| d) |
Over what two-hour period did exactly the same number of planes from each airline take off?
__________ |
|
| e) |
Describe one thing in the pattern of takeoffs which is the same for both airlines.
|
|