Question

if 15 pipe can fill a water tank in 4 hours how long will 12 similar pipes take to fill the same tank how many pipes will be required if the tank is to be filled in 3 hours​

Answer 1

Step-by-step explanation:

15___4hr

1___1/4*15

12/4*15=5hr

20 required

i hope u got

Answer 2

Answer:

3hours 12minutes

Step-by-step explanation:

15 pipes =4hours or 240 minutes

1 pipe= 240/15

=16 minutes

12 pipes =16×12

=192minutes

=3hours 12 minutes