Question

If 15 pipes can fill a tank in 2 hours 40 minutes, how much longer will it take if there are

only 4 pipes of the same type?​

Answer 1

Answer of question:

42.66 mins

Step-by-step explanation:

15 pipes will fill in 2hrs and 40 mins =160mins

1 pipe will fill in =160/15

4 pipes will fill in 160/15*4