TRUE OR FALSE
-The key to weight control is balancing caloric intake (energy equivalent of the food you eat) and caloric expenditure (the energy-related to resting metabolism, activity, intake of food, etc.)

Aswimming pool whose volume is 10 comma 000 gal contains water that is 0.01% chlorine. starting at tequals0, city water containing 0.003% chlorine is pumped into the pool at a rate of 5 gal/min. the pool water flows out at the same rate. what is the percentage of chlorine in the pool after 1 hour? when will the pool water be 0.006% chlorine?