Mathematics, 28.07.2019 16:00, kyleighmarie05

You have a total of 21 coins, all nickels and dimes. the total value is $1.70. write and solve a system of equations to find the number of dimes d and the number of nickels n that you have.

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You have a total of 21 coins, all nickels and dimes. the total value is $1.70. write and solve a sys...