4.Exercise 35, page 927 in our text, modified. One hundred liters of brine originally containing A kg of salt are in a tank into which B liters of water run each minute. The same amount of mixture from the tank leaves each minute.a)Find remaining amount of salt as a function of time, b)sketch a graph of this function roughly to the scale, c)Calculate how much salt is in the tank after C minutesThe Value Of R doesnt matter in the eqn at all.Use following values for Initial amount of salt: A Amount water, which runs in and leaves the tank: B Time after which remaining amount of salt has to be calculated: C See table below to find "your" numerical values.