Mathematics, 27.07.2019 03:40 stacysadousky

Ajar contains n nickels and d dimes. there are 28 coins in the jar, and total value of the coins is $2.20. how many nickels and dimes are in the jar? show your work

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Ajar contains n nickels and d dimes. there are 28 coins in the jar, and total value of the coins is...

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