Tank B, a 30-litre tank, initially contains 6 grams of salt in 15 litres of water. At t = 0, saltwater with a concentration of 1 gram of salt per litre is poured from Tank A into Tank B at a rate of 2 litres per minute, while the well mixed solution leaves the bottom of Tank B at a rate of one litre per minute. a) derive the IVP that models the rate of change of the quantity of salt in Tank B with respect to time, b) solve the IVP, and c) determine the quantity and concentration of salt in Tank B at the instant Tank B is full

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