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Mathematics, 15.03.2022 09:20 mprjug6

Dave bowers collects u. s gold coins. He has a collection of 47 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 47 coins. Some are $10 coins, and the r...

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