Question

9 pipes are required to fill a tank in 2 hours how long will it take if 3 more pipes are used to fill the same tank ( please check the question carefully and then answer I will give him as brilliant and 5 star )

Answer 1

Answer:

1.5 hrs

Step-by-step explanation:

Given 9 pipes fill in 2 hrs

how many hours it will take for 3 more pipes means 9+3=12 pipes

let x be hrs

9 = 1/2 hrs

12=1/x hrs

9/x=12/2

x=3/2

x=1.5 hrs