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Mathematics, 10.01.2020 23:31 annamariaafowyhrq

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

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At the bank, brent exchanges $50 in bills for $50 one-dollar coins. the total mass of the coins is 4...
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