In: Math
A bath tub with a volume of 400 liters at first is full of 100 liters of water with a bath salt concentration of 10 grams per liter. During some time, water with a bath salt concentration of .8 grams per liter starts to stream at 4 liters per minute simultaneously a leak in the tub causes the water and bath salt mix to stream out of the bath tub at the same pace. Determine the amount of time needed for the water and bath salt mix in the bath tub to be lessen to 3 grams per liter, please show all work and explanations!