Each of the two tanks contains 200 gal of water,

Each of the two tanks contains 200 gal of water, in which initially 100 lb (Tank T1) and 200 lb (Tank T2) of fertilizer are dissolved. The inflow, circulation, and outflow are shown in Fig. 88. The mixture is kept uniform by stirring. Find the fertilizer contents y1(t) in T1and y2(t) in T2.

12 gal/min 4 gal/min (Pure water) T T, 12 gal/min 16 gal/min Tanks in Problem 18 Fig. 88.