Working together two taps A and B can fill a tank in 6 hours. By itself tap A can fill the tank in 8 hrs.

Working together two taps A and B can fill a tank in 6 hours. By itself tap A can fill the tank in 8 hrs.
a) How long can tap B take to fill the tank by itself.
b) Tap A and B are opened at the same time and after running for 2 hours, an outlet tap which can drain the full tank
by itself in 12 hours is opened. How much longer will it take the tank to be filled.

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sharon kalunda answered the question on May 8, 2019 at 12:57

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