The line graph illustrates the amount of fast food consumed in Britian from 1970 to 1990, while the bar chart compares the spending habits of different social classes on fast food.
Overall, while the amount hamburger and fish and chip consumed witnessed an upward trend over the 20-year period, the figure for pizza gradually decreased. Another key feature is that people with high income tended to spend more money on food compared to those having average and low income, especially in terms of hamburger.
Regarding the amount of fast food consumed, pizza was the highest figure at exactly 300 grams in 1970, followed by fish and chips at under 100 grams and hamburger at under 50 grams. In the next 20 years, the figure for pizza decreased gradually to 200 grams in 1985 before remaining stable in the next five years. Meanwhile, both figures for hamburger and fish and chips increased impressively, with fish and chips recorded the highest growth of over 400 grams to reach a peak of 500 grams in 1990. The figure for hamburger also rose slightly to 100 grams in 1985 before surging to 300 grams at the end of the period.
Looking at the bar chart, it is clear that people with high income spent the highest amount of money on hamburger, at $45 compared to roughly $19 and $17 for fish and chips and pizza. The average income group also spent most money on hamburger, at $34, which nearly doubled the figure for pizza at about $12 and was moderately higher than fish and chips at $25. By contrast, people with low income spent approximately $17 on fish and chips compared to only $14 and $6 on hamburger and pizza, respectively.