Solved: A 400-gal tank initially contains 100 gal of brine
Chapter , Problem 37(choose chapter or problem)
A 400-gal tank initially contains 100 gal of brine containing 50 lb of salt. Brine containing 1 lb of salt per gallon enters the tank at the rate of 5 gal=s, and the well-mixed brine in the tank flows out at the rate of 3 gal=s. How much salt will the tank contain when it is full of brine?
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