Mathematics, 28.01.2021 21:10, romyknight

A jar contains nickels and dimes. There are 20 coins in the jar, and the total value of the coins is $1.40. How many nickels and how many dimes are in the jar.
Write the system of equations used to solve this problem. Define the variables.
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A jar contains nickels and dimes. There are 20 coins in the jar, and the total value of the coins i...