A swimming pool whose volume is 10 comma 00010,000 gal contains water that is 0.020.02% chlorine. Starting at tequals=0, city water containing 0.0030.003% chlorine is pumped into the pool at a rate of 55 gal/min. The pool water flows out at the same rate. What is the percentage of chlorine in the pool after 11 hourhour? When will the pool water be 0.0060.006% chlorine?