Mathematics, 12.07.2019 18:00 jaydanicole22

Dave bowers collects u. s. gold coins. he has a collection of 50 50 coins. some are $10 coins, and the rest are $20 coins. if the face value of the coins is $ 740 740, how many of each denomination does he have?

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Dave bowers collects u. s. gold coins. he has a collection of 50 50 coins. some are $10 coins, and t...