We use 4 paragraph format for the problem solution essays.

1 introduction: write your  plan about the body and explain the solutions and problems

2 problems: write 4 causes of the problem about the subject that given to you

3 solutions: write the solutions that you wrote the problem about 

4 conclusion:  summarize the solutions and say which is most viable.

Then we moved to the graph; first we did the pie chart and compared between them and their percentage. After that, we practiced the bar chart, mostly between the countries. And last but not least we focused on the table chart and it was easy to understand.