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suppose a large tank has 300 gallon of brine solution. Brine sol. was being pumped into...

suppose a large tank has 300 gallon of brine solution. Brine sol. was being pumped into the tank at a rate of 3 gal/min. it mixed with the solution there and then the mixture was pumped out at the rate of 2 gal/min. the concentraion of salt in the inflo or solution entering was 2 lb/gal. initially, 50 pounds of salt were dissolved in the 300 gallons.

find the amount of salt in tank at time t.

if the tank has an open top and a total capacity of 400 gallons. when will the tank overflow.

what will the number of salt in the tank at the instant it overflows

now assume that the mixture waspumped out at a rate of 4 gal/min. find the amount of salt in the tank at time t.

when will thw tank be empty.

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