Mathematics, 25.11.2021 14:00, haily13

A trader has a mixture of 5c and 10c coins. He has 50 coins in all, with a total value of $4.20. How many of each coin does he have?

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A trader has a mixture of 5c and 10c coins. He has 50 coins in all, with a total value of $4.20. How...