a pipe can fill a tank in 8 hours. a second pipe can fill a tank in 12 hours

Mathematics
Tutor: None Selected Time limit: 1 Day

How long does it take to fill the tank with both pipes filling the tank

Oct 13th, 2014

1/8 + 1/12 = 1/h ---- h = 24/5 = 4 hrs 48 mins

Oct 13th, 2014

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Oct 13th, 2014
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Oct 13th, 2014
Dec 9th, 2016
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