Ravi purchase branded and unbranded shirts and the cost price of 2 branded shirts and 3 unbranded shirts is Rs. 2400 and the cost price of 1 unbranded shirt and 2 branded shirts is Rs. 2200. Find the ratio between the cost price of the branded shirts and the unbranded shirts.
1
25 : 16
2
5 : 4
3
4 : 25
4
21 : 2