Mathematics, 30.11.2021 06:00 chocroc50

A jar contains n nickels and d dimes. There are 28 coins in the jar, and the total value of the coins is $2.10. How many nickels and how many dimes are in the jar?

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A jar contains n nickels and d dimes. There are 28 coins in the jar, and the total value of the coin...

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