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Mathematics, 11.10.2019 17:40 residentevil7k
Every year roughly 25,000,000 kilograms of hair is cut in the united states. each kilogram of hair contains about 0.0002 kg of zinc and each kilogram of zinc is worth about 4 dollars. how many dollars worth of zinc is contained in hair cut 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 c...
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