MODEL ANSWER:

The pattern of consumption of three types of fast food by the adolescents in Mauritius from 1985 to 2015 is illustrated in the given line graph.

It is clear from the graph, the Mauritian teenagers had reversed their fast food preference from pizza to hamburger and fried chicken during the given period.

In 1985, in an average, a Mauritian adolescent consumed Pizza much more frequent than the other two kinds of fast food. This was 60 times per year when compared to 10 and 5 respectively in case of hamburgers and fried chicken. However, as years Passed, its popularity slipped at a gradual pace to reach 10 per year in 2015.

On the other hand, a uniform increase can be noticed in the consumption pattern of hamburger among the Mauritian teenagers, and this was at a constant rate of 10 in every five years to reach just over 70 by 2015.

In case of fried chicken, the consumption pattern is seen increasing at an irregular rate. Between 1985 and 1990, the frequency of its consumption rose from 5 to 10 per year. In the next 5 years too, it doubled . A significant increase is noticed in its preference in the next 10 years (1995 to 2005)and this was from 20 to 60 per year . There was no significant increase in its popularity then after.