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Human hair is very good at soaking up oil spills, absorbing 15% of its own weight in oil. An average human hair measures .002 inches in diameter and grows .5 inches between haircuts. An average brunette has 1.05x10^5 hairs on their head. The density of human hair is 82 pounds per cubic foot. How many haircuts worth of hair must be saved to soak up a 2,000 pound oil spill?

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