Mathematics, 26.01.2021 15:50, ale2035

A jar contains n nickels and d dimes. There are 20 coins in the jar, and the total value of the coins is $1.45. How many nickels and how many dimes are in the jar? (Hint: Nickels are worth $0.05 and dimes are worth $0.10.)

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A jar contains n nickels and d dimes. There are 20 coins in the jar, and the total value of the coin...