Pipes S and T can fill a tank in 2 hours and 3 hours respectively.

      

Pipes S and T can fill a tank in 2 hours and 3 hours respectively. Pipe U can empty the full tank in 4 hours. How long will it take to fill the tank with all the pipes running?

  

Answers


Wilfred
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Wilfykil answered the question on September 13, 2019 at 05:51


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