A tank initially contains 50 lbs of salt dissolved in 250 gal of water. Saltwater containing 2.5 lbs of salt per gal enters the tank at the rate of 4 gal per min. The mixture (kept uniform by stirring) is removed at the same rate. How many pounds of salt are in the tank after an hour?
What will be an ideal response?
388.39 lb
Mathematics
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