The line graph illustrates variations in both the quantity and types of fast food consumed by Australian teenagers between 1975 and 2000.
Overall, it is obvious that, at the beginning, the amount of fish and chips was the leader, whereas pizza was the lowest among the three types of junk food. At the end of the period, hamburgers finished with the highest among the three fast foods.
With regard to the amount of pizza, it started at about 5 in 1975, and then increased significantly until 1995, then stood at approximately 83 up to 2000. Likewise, about 10 of hamburgers consumed in the first year, after which the figure skyrocketed to about 84 in 10 years. Afterwards, it experienced slight growth to approximately 100 at the end of the period.
On the other hand, fish and chips started at 100 in 1975. It decreased to about 83 after 5 years. The amount of fish and chips rose to just about 95 after another 5 years. After all, it experienced a significant decline until 2000 and ended up in last place.