Comprehension Passage
Directions: Read the following information carefully and answer the following questions.
Given line graph shows the number of books (in thousands) issued by five (A, B, C, D, and E) different libraries in two different years.
Find the difference between the total number of books issued by all five libraries together in the year 2020 and the total number of books issued by B, D, and C together in both years.
1
70
2
75
3
50
4
60