Question 2
It takes tap A 8 hours to fill up the tank alone but it takes tap B 16 hours to fill up the
tank alone. One day, the tank is empty. They open tap A only for 2 hours then they open
both taps. How many hours does it take until the tank is full?
tank alone. One day, the tank is empty. They open tap A only for 2 hours then they open
both taps. How many hours does it take until the tank is full?