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Mathematics, 06.07.2019 23:30 231agoad

Many of the pesticides for citrus trees are toxic to fish. when the citrus groves on a large farm or treated with pesticides high winds deposited 1000 gallons of pesticides into a lake stocked with fish. to ensure survival of the fish 95% of the pesticides must be removed from the lake within 96 hours of contamination. there are two methods of removal: method a: the chemical engineers have proposed adding a chemical reagent to the pond to neutralize the pesticide. this chemical reagent removes the pesticide at a rate of 11 gallons per hour. method b: the mechanical engineers have proposed fitting the pond with a filtration system. this system removes 4% of the remaining pesticides each hour. which method would you recommend to save the fish?

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