Mathematics, 04.02.2020 05:47 anadi8659

A400-gal tank initially contains 100 gal of brine contain-ing50lbofsalt. brinecontaining 1lbofsaltpergallon 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 brin?

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