Comprehension Passage
The below caselet shows the number of ruled and unruled notes sold by three different companies A, B, and C.
The ratio of the number of ruled notes sold by company A to the number of unruled notes sold by company B is 2: 3. The ratio of the number of ruled notes sold by company B to the number of unruled notes sold by company C is 2: 3. The total number of notes sold by company B and company C is 660 and 780 respectively. The number of unruled notes sold by company A is 480. The number of ruled notes sold by company C is 90 more than the number of ruled notes sold by company A.
The total number of ruled notes sold by companies B and C is how much more or less than the total number of unruled notes sold by companies A and B.
1
300
2
210
3
200
4
250
5
220