A vessel contains a 32 litres solution of acid and water in which the ratio of acid and water is 5 ∶ 3 If 12 litres of the solution is taken out and \(7\frac{1}{2}\) litres of water are added to it, then what is the ratio of acid and water in the resulting solution?
1
8 : 11
2
5 : 6
3
4 : 9
4
4 : 7