Mathematics, 24.07.2019 20:00, victoriakraus1482

Every year, roughly 25,000,000 kilograms of hair is cut in the united states. each kilogram of hair contains about about 0.0002 kilograms of zinc, and each kilogram of zinc is worth $4. how many dollars worth of zinc is contained in cut hair in the united states every year?

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Every year, roughly 25,000,000 kilograms of hair is cut in the united states. each kilogram of hair...