Cost price of article A and B are x and y respectively. If the cost price of article A and B is marked up be 25% and 20% respectively. If A sold at 19% discount and B sold at 10% discount the selling price becomes equal, then find the ratio between the cost price of A and B
1
7: 8
2
11: 9
3
4: 5
4
3: 2
5
16: 15