Question

Two pipes are left open to fill a swimming pool and it takes both pipes 4 hours to fill the pool with water. Pipe A can fill a swimming pool 6 hours longer than pipe B. How long would it take to fill the swimming pool if only pipe A is open?

Answer 1

Answer:

Step-by-step explanation:

It can take 12 hours to fill a swimming pool using two pipes if the pipe of larger diameter

if the pipe of larger diameter is used for 4 hours and the pipe of smaller diameter is used for 9 hours, only half of the pool can be filled.