The given pie charts demonstrate the percentage of their restaurant expenditure for a family in from 1970 to 2000. Additionally, the line graph shows the propotion of meals eaten in fast food restaurants and sit-down restaurants.
Overall, people have a tendency to enjoy home cooking although the figure witnessed slightly decreased through out 30 years- period. At the same time, fast food meals is the most common choice.
According to the pie charts, in 1970, the proportion of fund spent on home cooking accounted for 90% and the remaining was from restaurant meals. However, in the next 30 years, the proportion of home cooking recorded a noticeably declined to 50% and note the equal proportions between two figures.
Turning to the line graph, in 1970, the two figures recorded the same data, accounting for 20 meals/per year. In the next decade, the number of fast food meals increased slightly approximately 38 meal/per year, while the remaining figure was 28 meals/per year. After 20 years, the figure for fast food meals reached the highest peak at 88 meals/per year, although individuals enjoyed 50 meals at sit-down restaurant in the same timeframe