Mathematics, 24.06.2019 13:30 dijaflame67

Ajar contains n nickels and d dimes. there are 30 coins in the jar, and the total value of the coins is $2.20. how many nickels and how many dimes are in the jar?

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Ajar contains n nickels and d dimes. there are 30 coins in the jar, and the total value of the coins...

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