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Mathematics, 27.09.2021 01:10 Emieloy2959

Dave Bowers collects U. S. gold coins. He has a collection of 48 coins. Some are $10 coins, and the rest are $20 coins. If the face value of the coins is $670, how many of each denomination does he have?

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Dave Bowers collects U. S. gold coins. He has a collection of 48 coins. Some are $10 coins, and the...

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