Engineering, 17.07.2019 22:30 rosenatalie222
Atank contains initially 2500 liters of 50% solution. water enters the tank at the rate of 25 iters per minute and the solution flows out at the rate of 50 liters per minute. find the percentage of salt after 20 minutes
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Atank contains initially 2500 liters of 50% solution. water enters the tank at the rate of 25 iters...
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