Number Systemsmedium
0:00.0
Two pipes, A and B, fill a tank. Pipe A fills the tank in hours, and Pipe B fills it in hours. If both are open, how long does it take to fill the tank?
Two pipes, A and B, fill a tank. Pipe A fills the tank in hours, and Pipe B fills it in hours. If both are open, how long does it take to fill the tank?