Comprehension Passage
Directions:
Study the bar graph carefully and answer the following questions:
Five companies (A, B, C, D, and E) sell skill courses. The bar graph below shows the number of skill courses sold by these companies in three years (2020, 2021, and 2022).
Find the difference between the total number of skill courses sold by company B and the total number of skill courses sold by company A in three years.
1
40
2
50
3
80
4
70
5
60