A tank initially contains 125 lb of salt dissolved in 500 gal of water. Saltwater containing 4 lb of salt per gal enters the tank at the rate of 5 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 two hours?
What will be an ideal response?
1774.10 lb
Mathematics
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, 4)
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