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OpenStudy (okdutchman7):

Calculate the metallurgical value of a penny from 1980 and from 2000. Use the value 2.4716$/lb. of copper and 0.9495$/lb. of Zinc. Will MEDAL!

OpenStudy (okdutchman7):

The 1980 penny weighs 3.11 grams. The 2000 penny weight 2.5 grams

OpenStudy (okdutchman7):

The 1980 penny was 95% copper and 5% Zinc The 2000 penny was 97.5% Zinc and 2.5% Copper

OpenStudy (okdutchman7):

1980 penny: Copper weighs 2.9545g and Zinc weighs 0.1555g 2000 penny: Copper weighs 0.0625g and Zinc weighs 2.4375g

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