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Mathematics, 07.06.2021 06:40 zoeyanai1

Dave Bowers collects U. S. gold coins. He has a collection of 49 coins. Some are​ $10 coins, and the rest are​ $20 coins. If the face value of the coins is ​$690​, how many of each denomination does he​ have? How many $10 coins does he have?
How many $20 coins does he have?

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Dave Bowers collects U. S. gold coins. He has a collection of 49 coins. Some are​ $10 coins, and the...
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