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03-12-2016
Mathematics

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At the bank brent exchanges $50 in bills for 50 one-dollars coins. the total mass of the coins is 405 grams. estimate the mass of 1 one - dollar coin.

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Аноним Аноним

03-12-2016

8 as you round up 405 to 400 and divide by 50 and get 8

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06-12-2016

The mass of each coin will be 8.1

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