Question

18) Tap A fills a tanks in 2 hours. Outlets Bando
I can empty the tank is empty in 4hrs & 6hrs. If the
tank is empty and A and B are turned on, how long
will it take to fill up? After the tank is full, A, B& C
are all turned on. How long will the tank take to be
empty ?

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Answer 1

Answer:

thanks for free points❤️❤️

Answer 2

It needs 2 hours to fill up, I think

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