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March 31, 2015

March 31, 2015

Posted by **Heather** on Saturday, March 27, 2010 at 2:19pm.

- Math -
**drwls**, Saturday, March 27, 2010 at 3:27pm(3.9/1.2) x 500 = ____ kg

The ratio of copper mass to nickel mass remains the same for this coin.

The present nickel, like the cent and other coins, are "sandwiches". The outer surfaces contain more nickel than the inside; otherwise the coin would look bronze (like the Sacajawea dollar).

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