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QUESTION
Dave Bowers collects U.S gold coins. He has a collection of 43coins. Some are $10 coins, and the rest are $20 coins. If the face value of the coins is $640, how many of each denomination does he have?
Dave Bowers collects U.S gold coins. He has a collection of 43coins. Some are $10 coins, and the rest are $20 coins. If the face value of the coins is $640, how many of each denomination does he have?
