Question

a tank can filled by 12 pipes in 2 hours 30 minutes.In how much time will the tank be filled if 9 pipes are used​

Answer 1

answer:

12pipes=2 hours 30 minutes

1 pipe =2hours30minutes(150 minutes)/12 pipes

= 150/12

12.5=12 minutes 5 seconds

9 pipes=12.5*9

= 112.5=112 minutes 5 seconds (or)1 hour

52 minutes 5 seconds

Step-by-step explanation:

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