Mathematics, 28.01.2021 07:00 arosh4763

Jar contains n nickels and d dimes. There are 18 coins in the jar, and the total value of the coins is $1.00. How many nickels and how many dimes are in the jar?
what are the dependent and independent variables

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Jar contains n nickels and d dimes. There are 18 coins in the jar, and the total value of the coins...