A mixture contains liquid A and B in the ratio 5 ∶ 3, respectively. If 3 litres of liquid B is added to it. the ratio of liquid A to liquid B becomes 7 ∶ 6. What is the quantity of liquid A in the mixture?
1
\(7\frac{2}{3}\) litres
2
\(9\frac{1}{3}\) litres
3
\(11\frac{2}{3}\) litres
4
\(13\frac{1}{3}\) litres