Comprehension Passage
Direction: Study the graph and answer the following question.
The graph shows the total number of boys and girls in different classes of a school.
What is the ratio between the total number of students in class 4 and the number of boys in Classes 6 and 7 together?
1
59 : 90
2
59 : 70
3
90 : 59
4
90 : 49