Pipes A and B can fill a tank in 10 hours and \(13\frac{1}{3}\) hours, respectively. Pipe C is an emptying pipe. When all the three pipes are opened together, the tank is filled in 8 hours. In how many hours will Pipe C alone empty 25% of the tank?
1
4 hours
2
3 hours
3
5 hours
4
6 hours