Author NeliaAmescua in Mathematics, 06.11.2019

1 pipe can fill a tank in 20 minutes. Another pipe can fill the tank in thirty minutes. If the tank is empty, how long would be required for the 2 pipes functioning together to fill it?
I need the speed of work (R), the time of work (T), and the work done (W)
The equation is RT = W.
It would help if I am provided a detailed explanation

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