Juan was tasked by juanita to fill the tank with water. One pipe can fill the tank in 20 minutes. Juan then opened the 1st pipe. He set his phone alarm so that he can still play Luksong Tinik with friends and he will be back immediately after 20 minutes in order to close the pipe. He did not know that the second pipe was open too and it can empty the tank in 30 minutes. Since both pipes were open, how long will it take to fill the tank? With Soultion.
Nonsense Answer = Report
Nonsense Answer = Report
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