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Money facts:
1. It costs the U.S. Mint about 2.10 cents to produce one penny and about 8.52 cents to make one nickel. This is primarily due to the price of copper and nickel — which have both gotten more expensive over time.
2. A $100 bill lasts about 22.9 years. A $50 bill lasts 12.2 years. A $20 lasts 7.8 years. A $10 bill lasts 5.3 years. A $5 lasts about 4.7 years. A $1 bill lasts about 6.6 years.
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