Question

A swimming pool can be filled in 16 hours if water enters through a pipe alone, or in 23 hours if water enters through a hose alone. If water is entering through both the pipe and the hose, how long will take to fill the pool

Answer 1

Answer:

Step-by-step explanation:  23x23+16x16=785

                                                (785                                              

                                                 28.0