A 400-gal tank initially contains 100 gal of brine contain- ing 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?
A 400-gal tank initially contains 100 gal of brine contain- ing 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?
Chapter5: Decimals
Section5.6: Ratios And Rate
Problem 483E: A popular fast food burger weighs 7.5 ounces and contains 540 calories, 29 grams of fat, 43 grams of...
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This is a practice question from my Differential Equations course.
I keep coming up with 387.5 pounds, but the back of the book says it should be 393.75 pounds.
What do you come up with?
Thank you.
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