There is 100 litres of water in one bucket and 56 litres in another. Pipe B can fill in 11 litres per minute more than Pipe A. Pipe A fills in the the tank with 100 liters of water and Pipe B fills in the tank with 56 liters of water. After how many minutes do both tanks have the same volume of water?
asked Dec 13, 2016 in Other Math Topics by anonymous

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1 Answer

After T minutes bucket A contains 100+AT litres while bucket B contains 56+(11+A)T, where A is the filling rate of pipe A. These quantities are the same so 100+AT=56+11T+AT and 11T=100-56=44 so T=4 mins.

answered Dec 13, 2016 by Rod Top Rated User (424,820 points)
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